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The latest information about SwissGlaciers.org:
C 10.07.2026: Updated comparison photos of the Rhone Glacier (Location 16)
These comparison photos show the Rhône Glacier and its snow cover from a distance. A photo taken on 4 July 2026 has been added.
These comparison photos show the Rhône Glacier and its snow cover from a distance. A photo taken on 4 July 2026 has been added.
29.06.2026: Extended monthly meteorological and climate data for the hydrological year
The tables showing the deviations from the climate norm values for each month have each been expanded by one column. This column displays the cumulative deviations from the climate norm values for each month. This makes it easy to see how the hydrological year has fared so far and/or how large the precipitation deficit is. We cannot yet say how useful the comparison between individual years is.
The tables showing the deviations from the climate norm values for each month have each been expanded by one column. This column displays the cumulative deviations from the climate norm values for each month. This makes it easy to see how the hydrological year has fared so far and/or how large the precipitation deficit is. We cannot yet say how useful the comparison between individual years is.
I 19.06.2026: Glaciers 2026
In 2026, we (Daniela and I) were able to visit and document the following glaciers:
- Rhonegletscher, from 2026: 4.7. from a distance (Location 16)
- More glaciers: 9.7.
We will gradually publish the results and observations from 2026 on this website.
Status: 11.7.2026
Status: 11.7.2026
C 14.06.2026: Updated repeat photos of the Witenwasser Glacier (Location 10)
The repeat photos of the Witenwasser Glacier (Location 10) show the changes in the northern glacial lake and the elevated area in front of the glacier over the past nearly 8 years. A photo taken on August 5, 2025, has been added.
The repeat photos of the Witenwasser Glacier (Location 10) show the changes in the northern glacial lake and the elevated area in front of the glacier over the past nearly 8 years. A photo taken on August 5, 2025, has been added.
C 31.05.2026: Updated comparison of the Rhone Glacier (Site 4)
The comparison for Location 4 has been updated to include a photograph taken on 30 May 2011. The comparison now comprises 16 panoramic photographs and illustrates the changes over the past 16 years.
The 2011 photograph was included in light of recent events. The photograph shows that by the end of May 2011, the lake – which was still small at the time – was already 100% ice-free, and the snow conditions around and on the lake were more precarious than this year. In other words, this year (2026), the lake’s ice cover has not broken up earlier than ever before, as reported in a well-known Valais newspaper on 28 May 2026.
The comparison for Location 4 has been updated to include a photograph taken on 30 May 2011. The comparison now comprises 16 panoramic photographs and illustrates the changes over the past 16 years.
The 2011 photograph was included in light of recent events. The photograph shows that by the end of May 2011, the lake – which was still small at the time – was already 100% ice-free, and the snow conditions around and on the lake were more precarious than this year. In other words, this year (2026), the lake’s ice cover has not broken up earlier than ever before, as reported in a well-known Valais newspaper on 28 May 2026.
I 24.05.2026: Glaciers 2025
In 2025, we (Daniela & I) were able to visit and document the following glaciers:
- Bächi glacier, 10.8., from 2025: location 1
- Blüemlisalp glacier, 7.9., from 2025: location 1, observations
- Chaltwasser glacier, 8.8., from 2025: location 1, location 2, location 4, observations
As expected, the ridge between the two proglacial lakes has largely melted away since 2022. As a result, the level of the western lake has dropped by approximately 2 m, and the western lake is now 100% drained via the middle lake. - Doldenhorn glacier, 7.9., from 2025: Bergschrund, Spitze Stei, observations
- Driest glacier, 14.10., from 2025: location 1
- Fiescher glacier, 14.10., from 2025: location 9
- Gamchi glacier, 31.8., from 2025: location 23, middle erosion trench, observations
Today, our work at the Gamchi Glacier no longer focuses primarily on documenting the retreat of the glacier, but rather on the processes that take place in the years following the melting of the ice. - Mittelaletsch glacier, 14.10., from 2025: location 1
- Oberaar glacier, 18.7., from 2025: location 4, location 4a, location 15, location 21, observations, panos
Severe signs of decay (caves, holes, crevasses) can be seen in the tongue area. Two collapse structures (approx. 250 m behind the glacier snout) are wide open, and a third is deep and actually funnel-shaped. - Rhone glacier, from 2025: 22.6. and 11.7. from a distance, 10.7. on site, from 2025: location 1, location 4, location 10, location 16, location 17, observations
- Glacier de Téné and Glacier du Wildhorn, 14.10., from 2025: location 1
- Tiefen glacier, 12.8., from 2025: location 1, location 7, location 9, observations
- Trift glacier, 10.8., from 2025: location 2
- Unteraar glacier, 19.9, from 2025: location 1, location 3, observations
- Witenwasseren glacier, 5.8., from 2025: location 1, location 5, location 9, location 10, observations
As expected, the ridge between the two proglacial lakes has largely melted away since 2022. As a result, the level of the western lake has dropped by approximately 2 m, and the western lake is now 100% drained via the middle lake. - Zenbächen glacier, 14.10., from 2025: location 1
- More glaciers: 11.7., 10.8., 7.9., 14.10. (including the Driest and Zenbächen glaciers)
We will gradually publish the results and observations on this website.
Status: 14.6.2026
Status: 14.6.2026
23.05.2026: New repeat photos of the Oigschtchummung Glacier (Lötschental, Switzerland)
The new photo comparison of the Oigschtchummung Glacier was created using individual photos taken at the end of the rather long glacier documentation tour to the Anun and Lang glaciers, starting from Fafleralp. The shooting location was different for each of the three photos.
The new photo comparison of the Oigschtchummung Glacier was created using individual photos taken at the end of the rather long glacier documentation tour to the Anun and Lang glaciers, starting from Fafleralp. The shooting location was different for each of the three photos.
C 15.05.2026: Updated repeat photos of the Tiefen glacier (location 1)
A panoramic photo dated 12 August 2025 has been added. The before-and-after comparison for Location 1 now comprises six panoramic photos (19 July 2010 – 12 August 2025, a period of just over 15 years).
A panoramic photo dated 12 August 2025 has been added. The before-and-after comparison for Location 1 now comprises six panoramic photos (19 July 2010 – 12 August 2025, a period of just over 15 years).
C 08.05.2026: New before/after photo comparison of Oberaar glacier (location 4a) is online.
The before-and-after photo comparison of the Oberarglacier (location 4a) has been supplemented with a panoramic photo taken on 18. July 2025.
The before-and-after photo comparison of the Oberarglacier (location 4a) has been supplemented with a panoramic photo taken on 18. July 2025.
C 28.04.2026: Updated repeat photographies from Chaltwasser glacier (Swiss Alps, location 2)
Added is the status of 8.8.2025. The comparison now includes 6 panoramic photos from 2009 - 2025 (= 15.9 years).
Added is the status of 8.8.2025. The comparison now includes 6 panoramic photos from 2009 - 2025 (= 15.9 years).
C 23.04.2026: Repeat photos of the Gamchi Glacier (Central Erosion Trench, Bernese Alps)
Within a year, the central erosion trench has grown significantly. The newly added panoramic photo from 31 August 2026 clearly shows the difference.
Within a year, the central erosion trench has grown significantly. The newly added panoramic photo from 31 August 2026 clearly shows the difference.
C 15.04.2026: Repeat photos of the Spitze Stei (Landslide, Doldenhorn Glacier, Bernese Alps) updated
The Spitze Stei and the slope below have been moving downhill since summer 2018. The repeat photos were supplemented by a photo from 7.9.2025.
The Spitze Stei and the slope below have been moving downhill since summer 2018. The repeat photos were supplemented by a photo from 7.9.2025.
C 06.04.2026: Comparison from Witenwasseren glacier (location 5) updated
The comparison of the Witenwasseren glacier (Urner Alps) was supplemented by a panorama photo from 5.8.2025. The comparison now includes 5 panorama photos from 27.9.2014 to 5.8.2025 (= 10.86 years).
The comparison of the Witenwasseren glacier (Urner Alps) was supplemented by a panorama photo from 5.8.2025. The comparison now includes 5 panorama photos from 27.9.2014 to 5.8.2025 (= 10.86 years).
C 29.03.2026: Updated repeat photos from Rhone glacier (location 1)
A panoramic photo from 10.7.2025 was added to the repeat photos of the Rhone glacier (location 1, Valais/Urner Alps). They now include 16 photos from 28.6.2007 to 10.7.2025 (= 18 years).
A panoramic photo from 10.7.2025 was added to the repeat photos of the Rhone glacier (location 1, Valais/Urner Alps). They now include 16 photos from 28.6.2007 to 10.7.2025 (= 18 years).
I 21.03.2026: New: Interactive panoramic photos for each glacier on a dedicated page
The interactive drone panoramic photos are now each hosted on their own page for each glacier. This makes the main pages clearer and reduces loading times.
The interactive drone panoramic photos are now each hosted on their own page for each glacier. This makes the main pages clearer and reduces loading times.
Clicking on one of the orange P icons takes you to the link that opens the page with the drone panoramic photos. This link can be found on the main page for each glacier for which interactive panoramic photos are available.
C 21.03.2026: Updated repeat photos from Unteraar glacier (location 3)
A panoramic photo from 19.9.2025 was added to the repeat photos of location 3. 8 panoramic photos from 25.8.2017 to 19.9.2025 = 8.07 years.
A panoramic photo from 19.9.2025 was added to the repeat photos of location 3. 8 panoramic photos from 25.8.2017 to 19.9.2025 = 8.07 years.
C 14.03.2026: Updated repeat photos of the Tiefen glacier (location 7)
The repeat photos of location 7 now includes 9 panorama photos (28.9.2016 - 12.8.2025 = 8.88 years)
The repeat photos of location 7 now includes 9 panorama photos (28.9.2016 - 12.8.2025 = 8.88 years)
C 09.03.2026: New repeat photos (location 21) of the Oberaar Glacier
The repeat photos (No. 190) from location 21 show the changes in the area of the collapse structures that opened up in 2023.
The repeat photos (No. 190) from location 21 show the changes in the area of the collapse structures that opened up in 2023.
I 26.02.2026: New: Climate diagrams for MeteoSwiss measuring stations in the vicinity of glaciers
Climate diagrams for MeteoSwiss measuring stations in the vicinity of the glaciers are now available.
Climate diagrams for MeteoSwiss measuring stations in the vicinity of the glaciers are now available.
Example: Climate charts for the Rhone Glacier
C 22.02.2026: Updated repeat photos from Blüemlisalp glacier (Location 1, Swiss Alps)
A photo from 7.9.2025 was added to the comparison of location 1. The comparison now includes 7 panorama photos: 3.9.2011 - 7.9.2025 (= 14 years).
A photo from 7.9.2025 was added to the comparison of location 1. The comparison now includes 7 panorama photos: 3.9.2011 - 7.9.2025 (= 14 years).
C 15.02.2026: Updated repeat photos of the Tiefen glacier (location 9)
These repeat photos show the melting of the dead ice cone from another perspective. Panoramic photos from 15. July 2022, 29. August 2024 and 12. August 2025 (3.08 years).
These repeat photos show the melting of the dead ice cone from another perspective. Panoramic photos from 15. July 2022, 29. August 2024 and 12. August 2025 (3.08 years).
I 04.02.2026: New: Multi-year statistics on meteorological and climate data for each glacier
Multi-year statistics on weather and climate are now available, based on measurement data from MeteoSwiss. For the time being, the statistics cover the years 2024 and 2025.
Multi-year statistics on weather and climate are now available, based on measurement data from MeteoSwiss. For the time being, the statistics cover the years 2024 and 2025.
C 31.01.2026: Updated repeat photos from Chaltwasser Glacier (location 4)
The updated repeat photos show the changes in the central part of the Chaltwasser glacier tongue between 16 August 2016 and 31 August 2025 (= 9.05 years).
The updated repeat photos show the changes in the central part of the Chaltwasser glacier tongue between 16 August 2016 and 31 August 2025 (= 9.05 years).
C 22.01.2026: Updated repeat photos of the Gamchi Glacier (location 23, Bernese Alps)
A panoramic photo taken on 31 August 2025 has been added to the photo comparison. Erosion continues unabated.
A panoramic photo taken on 31 August 2025 has been added to the photo comparison. Erosion continues unabated.
C 17.01.2026: Updated repeat photography from Witenwasseren glacier (Swiss Alps, Location 1)
The comparison of location 1 has been supplemented with a photograph taken on 5 August 2025. The repeat photographs now cover a period of 14 years. A significant amount of ice melted during this short period!
The comparison of location 1 has been supplemented with a photograph taken on 5 August 2025. The repeat photographs now cover a period of 14 years. A significant amount of ice melted during this short period!
C 09.01.2026: Updated repeat photos from Unteraar glacier (location 1)
The repeat photos were supplemented by a photo from 19.9.2025. They now comprise 5 photos from 25.8.2017 to 19.9.2025 (= 8.1 years).
The repeat photos were supplemented by a photo from 19.9.2025. They now comprise 5 photos from 25.8.2017 to 19.9.2025 (= 8.1 years).
C 02.01.2026: Updated repeat photos from Oberaar glacier (Location 15)
The repeat images for location 15 has been expanded to include a recording from 18 July 2025. The repeat images now comprises four panoramic images from 2018 to 2025 (seven years).
The repeat images for location 15 has been expanded to include a recording from 18 July 2025. The repeat images now comprises four panoramic images from 2018 to 2025 (seven years).
C 22.12.2025: Updated repeat photos of the Rhone Glacier (location 4)
The repeat photos of location 4 were supplemented by a photo from 10.7.2025. The series now includes 14 panoramic photos and shows the changes of the last almost 16 years.
The repeat photos of location 4 were supplemented by a photo from 10.7.2025. The series now includes 14 panoramic photos and shows the changes of the last almost 16 years.
I 22.12.2025: Mass balance of different glaciers
The mass balances of the glaciers mentioned below were updated with the data from winter/summer 2024/25.
The page with the Mass balance of the Rhone glacier contains the legend and links to the other glaciers with mass balance.
Other glaciers with mass balance:
I 14.12.2025: Glaciers of Switzerland
We are currently focusing our efforts on the SwissNature.org website. We creating an an overview of Swiss glaciers, which we have documented photographically as part of SwissGlaciers.org and on countless mountain tours and hikes.
View current status... (External link to our website SwissNature.org).
We are currently focusing our efforts on the SwissNature.org website. We creating an an overview of Swiss glaciers, which we have documented photographically as part of SwissGlaciers.org and on countless mountain tours and hikes.
View current status... (External link to our website SwissNature.org).
C 06.12.2025: Updated repeat photos of the Doldenhorn Glacier (Bergschrund)
And on we go after the break:
Below the saddle between Doldenhorn (3628 m) and Kleindoldenhorn (3474 m), an exceptionally large bergschrund opened up in the summer of 2022. The newly added photo shows the situation at the beginning of September 2025.
And on we go after the break:
Below the saddle between Doldenhorn (3628 m) and Kleindoldenhorn (3474 m), an exceptionally large bergschrund opened up in the summer of 2022. The newly added photo shows the situation at the beginning of September 2025.
05.12.2025: Restricted operations due to problems at Webland AG
As a result of a major hardware problem on 24 November 2025, at approximately 4:30 p.m., at the hosting provider Webland AG (a subsidiary of the Swedish Miss Group since 2022), we had to deal with the following restrictions:
As a result of a major hardware problem on 24 November 2025, at approximately 4:30 p.m., at the hosting provider Webland AG (a subsidiary of the Swedish Miss Group since 2022), we had to deal with the following restrictions:
Email did not function between approximately 5:30 p.m. on 24 November 2025 and approximately 7 p.m. on 5 December 2025.
The interruption lasted 11 days and around 3 hours!
To date, no emails received during the interruption have been delivered.
The interruption lasted 11 days and around 3 hours!
To date, no emails received during the interruption have been delivered.
FTP did not work between approximately 5:30 p.m. on 24 November 2025 and approximately 1 p.m. on 5 December 2025, or only worked very sporadically for short periods of time.
The interruption lasted 10 days and almost 20 hours!
During this time, we were unable to maintain our websites, or could only do so sporadically and under difficult conditions (software & content).
The interruption lasted 10 days and almost 20 hours!
During this time, we were unable to maintain our websites, or could only do so sporadically and under difficult conditions (software & content).
C 28.11.2025: Updated repeat photos from Oberaar glacier (Location 4)
The repeat photos of location 4 was extended by a panoramic photo from 18.7.2025. The repeat photos now includes 12 images from 2014 to 2025 (11 years).
The repeat photos of location 4 was extended by a panoramic photo from 18.7.2025. The repeat photos now includes 12 images from 2014 to 2025 (11 years).
C 17.11.2025: Updated photos of Glacier de Téné and Glacier du Wildhorn (Bernese Alps, Switzerland) are online
This five-way photo comparison shows the development of Glacier de Téné and Glacier du Wildhorn from a relatively large distance. The comparative photos also show the Tungel Glacier, which has lost a lot of mass in the last 14 years.
This five-way photo comparison shows the development of Glacier de Téné and Glacier du Wildhorn from a relatively large distance. The comparative photos also show the Tungel Glacier, which has lost a lot of mass in the last 14 years.
C 11.11.2025: Updated comparative photos of the Bächi glacier (Bernese Alps)
The Bächi glacier is a small, south-facing glacier located in the eastern Bernese Alps on ground belonging to the canton of Valais.
The repeat photos include five photos from 26.9.2008 - 10.8.2025 (= 16.88 years).
The Bächi glacier is a small, south-facing glacier located in the eastern Bernese Alps on ground belonging to the canton of Valais.
The repeat photos include five photos from 26.9.2008 - 10.8.2025 (= 16.88 years).
C 06.11.2025: Updated repeat photos of the Trift Glacier (Fieschertal, location 2)
The repeat photos of the Trift Glacier (Fieschertal, Bernese Alps) have been supplemented with a photo taken on 10 August 2025. They now comprise four photos taken on 26 September 2008, 15 September 2019, 27 September 2023 and 10 August 2025 (= just under 17 years). Taken from a distance of 12 km.
The repeat photos of the Trift Glacier (Fieschertal, Bernese Alps) have been supplemented with a photo taken on 10 August 2025. They now comprise four photos taken on 26 September 2008, 15 September 2019, 27 September 2023 and 10 August 2025 (= just under 17 years). Taken from a distance of 12 km.
C 02.11.2025: First repeat photos of the Mittelaletsch Glacier (Bernese Alps) are online
The first repeat photos of the Mittelaletsch Glacier show the development of the upper part of the glacier between 2005 and 2020 (= 20 years).
The first repeat photos of the Mittelaletsch Glacier show the development of the upper part of the glacier between 2005 and 2020 (= 20 years).
C 28.10.2025: New repeat photos of the Rhone glacier (location 17)
The new repeat photos of the Rhone Glacier show the development between 2005 and 2025 (= 20 years) from a distance. The Gärsten Glacier and Galen Glacier are also visible, of which only pitiful remnants remain.
The new repeat photos of the Rhone Glacier show the development between 2005 and 2025 (= 20 years) from a distance. The Gärsten Glacier and Galen Glacier are also visible, of which only pitiful remnants remain.
C 28.10.2025: New repeat photos of the Fiesch Glacier (Fieschertal, Bernese Alps, location 9) are online
The new repeat photos of the Fiesch Glacier show, among other things, the confluence of the Fiesch Glacier and the Galmi Glacier in 2005 and 2025 (= 20 years).
The new repeat photos of the Fiesch Glacier show, among other things, the confluence of the Fiesch Glacier and the Galmi Glacier in 2005 and 2025 (= 20 years).
C 27.10.2025: Updated repeat photos of the Driest glacier (location 1)
The updated repeat photo of the Driest glacier shows how melting glaciers change the face of entire mountains. The comparison contains two photos from 13.10.2005 and 14.10.2025 (= 20 years).
The updated repeat photo of the Driest glacier shows how melting glaciers change the face of entire mountains. The comparison contains two photos from 13.10.2005 and 14.10.2025 (= 20 years).
C 23.10.2025: Updated repeat photos from Zenbächen glacier (Bernese alps, Switzerland) are online
The first repeat photos of the Zenbächen glacier (Zenbächengletscher) show the evolution from 2005 - 2025 (= 20 years).
The first repeat photos of the Zenbächen glacier (Zenbächengletscher) show the evolution from 2005 - 2025 (= 20 years).
C 16.10.2025: Updated repeat photographies from Chaltwasser glacier (Swiss Alps, location 1)
Added is the status of 8.8.2025. The comparison now includes 8 panoramic photos from 2009 - 2025 (= 16 years). The great melting continues...
Added is the status of 8.8.2025. The comparison now includes 8 panoramic photos from 2009 - 2025 (= 16 years). The great melting continues...
I 09.10.2025: Graphic format WEBP
Over the last few days, all 730 (panoramic) photos from all 185 repeat photos have been converted to the WEBP graphic format and/or better compressed. This reduces loading times and allows pages to be displayed more quickly.
Over the last few days, all 730 (panoramic) photos from all 185 repeat photos have been converted to the WEBP graphic format and/or better compressed. This reduces loading times and allows pages to be displayed more quickly.
O 06.10.2025: Unteraar glacier (Bernese Alps): Observations from 19. September 2025, part 2
On 19. September 2025 we visited the Unteraar glacier (Bernese Alps) and made, among other things, the observations described in this article. The second part of the article is now also available.
On 19. September 2025 we visited the Unteraar glacier (Bernese Alps) and made, among other things, the observations described in this article. The second part of the article is now also available.
O 30.09.2025: Unteraar glacier (Bernese Alps): Observations from 19. September 2025, part 1
On 19. September 2025 we visited the Unteraar glacier (Bernese Alps) and made, among other things, the observations described in this article.
On 19. September 2025 we visited the Unteraar glacier (Bernese Alps) and made, among other things, the observations described in this article.
O 21.09.2025: Blüemlisalp glacier (Bernese Alps, Switzerland): Observations from 7. September 2025
On 7. September 2025 we visited the Blüemlisalp glacier (Blüemlisalpgletscher) and made, among other things, the observations described in this article.
On 7. September 2025 we visited the Blüemlisalp glacier (Blüemlisalpgletscher) and made, among other things, the observations described in this article.
O 19.09.2025: Doldenhorn glacier (Bernese Alps, Switzerland): Observations from 7. September 2025
On 7. September 2025 we visited the Doldenhorn glacier (Doldenhorngletscher) and made, among other things, the observations described in this article.
On 7. September 2025 we visited the Doldenhorn glacier (Doldenhorngletscher) and made, among other things, the observations described in this article.
O 14.09.2025: Gamchi Glacier (Bernese Alps): observations from 31. August 2025
On 31. August 2025 we visited the Gamchi Glacier and made the observations described in this article, among others.
On 31. August 2025 we visited the Gamchi Glacier and made the observations described in this article, among others.
C 10.09.2025: Updated repeat photos of the Rhone glacier (location 10)
These repeat photos show the changes of the Rhone Glacier from an oblique view. Scope: Six panoramic photos from 5.7.2019, 12.7.2021, 8.7.2022, 7.7.2023, 29.7.2024 and 10.7.2025 (= 6 years).
These repeat photos show the changes of the Rhone Glacier from an oblique view. Scope: Six panoramic photos from 5.7.2019, 12.7.2021, 8.7.2022, 7.7.2023, 29.7.2024 and 10.7.2025 (= 6 years).
C 03.09.2025: Updated repeat images from the Witenwasseren glacier (location 9)
The repeat photos of the Witenwasseren glacier (location 9) were supplemented by a photo from 5.8.2025. They now comprise 5 panoramic photos from 27.9.2014 to 5.8.2025 = 10.7 years.
The repeat photos of the Witenwasseren glacier (location 9) were supplemented by a photo from 5.8.2025. They now comprise 5 panoramic photos from 27.9.2014 to 5.8.2025 = 10.7 years.