October 2025

Photo 3. CryoPyr team collecting samples on the Aneto glacier, featured cut.

The last glaciers of Southern Europe, the Pyrenees

By Jesús Revuelto (CryoPyr Research Group, https://cryopyr.csic.es/) and Borja Antolín Tomás (President of Mountain Wilderness Spain). Between northern Spain and southern France, …

October: Monte Perdido Glacier

Monte Perdido, the highest peak in the Ordesa y Monte Perdido National Park at 3,355 m asl, rises in the province of …

Changing face of Baltoro (1, featured cut)

Thirty Years on Ice: A Witness to the Changing Face of the Baltoro

From Cleanup Expeditions to Climate Chronicles: My Four Treks to K2 Base Camp By Afzel Scherazi President of Mountain Wilderness Pakistan The …

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“Mountain wilderness” refers to any pristine, untouched mountain environment, where anyone can experience vast open spaces, silence, solitude, nature. “The value of wilderness therefore lies above all in its potential to stimulate a creative relationship between civilised man and the natural environment. It is the degree of authenticity of this relationship that gives a non-ephemeral meaning to adventure.”

This definition dates back to 1987, when the Biella theses, our manifesto, were written. They marked the birth of Mountain Wilderness.

Mountain Wilderness International (MWI) is the umbrella organisation of the national chapters of Mountain Wilderness. It facilitates communication and exchange among national chapters, coordinates and organises international projects and actions and officially represents the organisation in its relations with governments, authorities, international institutions and non-governmental organisations.

If you share our ideas and you wish to help us, please join a national chapter. Mountain Wilderness has chapters in a dozen countries.

Glacier of the Month

Mountain Wilderness International

1 week ago

In alignment with the designation of 2025 as the International Year of Glaciers’ Preservation and the 2022 resolution of the General Assembly of the United Nations on sustainable mountain development, the United Nations World Water Development Report 2025, Mountains and glaciers: Water towers report draws worldwide attention to the importance of mountain waters, including alpine glaciers, in the sustainable development of mountain regions and the downstream societies that depend upon them, in the context of the rapidly changing mountain cryosphere.www.unesco.org/en/articles/united-nations-world-water-development-report-2025-mountains-and-glaci... ... See MoreSee Less

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Mountain Wilderness International

2 weeks ago

The Patagonian village of El Chaltén is a paradise for hikers. But the seasonal influx of tourists stretches the sanitation infrastructure to breaking point ... See MoreSee Less

This Patagonian village has glacier-fed rivers and majestic scenery. The only problem? Sewage

www.theguardian.com

El Chaltén is a paradise for hikers. But the seasonal influx of tourists stretches the sanitation infrastructure to breaking point – and even a legal victory has not provided a solution

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Mountain Wilderness International

2 weeks ago

"This year, I returned to assess the progress of the cleanup efforts. But the most immediate—and most alarming—change wasn’t the litter. It was the glacier itself."Don't miss Mountain Wilderness Pakistan's President poignant account of Baltoro and how it has changed over the past 30 years.#cleanup #Baltoro #Karakoram #Pakistan #K2 #freeK2 ... See MoreSee Less

Thirty Years on Ice: A Witness to the Changing Face of the Baltoro - Mountain Wilderness

www.mountainwilderness.org

From Cleanup Expeditions to Climate Chronicles: My Four Treks to K2 Base Camp By Afzel Scherazi President of Mountain Wilderness Pakistan The Karakoram has been my office, my temple, and my obsession ...

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Mountain Wilderness International

3 weeks ago

"Glaciers in California’s mountains are disappearing fast and will likely be gone by the end of the century. Geologists found that these glaciers have been in place since before humans came to the Americas. This means there is no precedent in the last 20,000 years for their disappearance." ... See MoreSee Less

California’s Ancient Glaciers Are Melting Away for the First Time in Human History | KQED

www.kqed.org

New research shows that California's Sierra Nevada glaciers, which will vanish in decades, have remained intact for at least 10,000 years.

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Mountain Wilderness International

3 weeks ago

Chenaillet is a mountain massif located along the border ridge between the Cerveyrette Valley (France, Dauphiné) and the Claviere Valley (Italy). It is a rare geological formation of international significance and is part of the Geopark that bears its name.On Saturday, September 27, a meeting was held in the area with representatives from MW France, MW Italy, and other French environmental protection associations. The purpose was to reaffirm the shared commitment to safeguarding this precious site from the encroachment of new cable car construction projects in nearby areas—Roche de l'Aigle in France and Colletto Verde in Italy.The gathering was a meaningful opportunity to connect individuals and local organizations united by a common goal. After a convivial picnic and a hike to Chenaillet, participants parted ways with a mutual pledge to closely monitor the development of the proposed ski link project, which poses a serious threat to the region’s biodiversity and its enchanting landscape. ... See MoreSee Less

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Mountain Wilderness International @mwildernessint ·

21 Oct

Witnessing the melting #glaciers...
Thank you to #FazalKhaliq for reporting on the all-women advanced course in environment-friendly #mountaineering we held this year in Pakistan's mountainous districs of Swat and Chitral
#womenempowerment #MountainsMatter

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UAF Geophysical Institute @uafgi ·

17 Oct

Newly published work by an international science team says the natural cooling mechanism of mountain glaciers will break down by mid-century. A @uafairbanks scientist is on the team, which analyzed from 62 glaciers. #climate https://www.gi.alaska.edu/news/mountain-glaciers-will-lost-their-insulating-air-layer-study-finds

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Mountain Wilderness International @mwildernessint ·

15 Oct

The United Nations World Water Development Report 2025, Mountains and glaciers: Water towers report draws worldwide attention to the importance of mountain waters, including alpine glaciers, in the sustainable development of mountain regions
https://www.unesco.org/en/articles/united-nations-world-water-development-report-2025-mountains-and-glaciers-water-towers

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Mountain Wilderness International @mwildernessint ·

8 Oct

The Patagonian village of El Chaltén is a paradise for hikers. But the seasonal influx of tourists stretches the sanitation infrastructure to breaking point...

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Mountain Wilderness International @mwildernessint ·

5 Oct

"This year, I returned to assess the progress of the cleanup efforts. But the most immediate—and most alarming—change wasn’t the litter. It was the glacier itself."
Don't miss MW Pakistan's President poignant account of #Baltoro over the past 30 years

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