WSL Institute for Snow and Avalanche Research SLF

Research 06.06.2025

FAQ: Influence of permafrost on rock slope failure

The permafrost in the Alps is warming rapidly and affecting major rock slope instabilities. Answers to the most important questions.

Research 16.05.2025

Spring in mountains starting earlier and earlier

SLF data shows plant growth in mountain meadows starting earlier – this is a result of climate change in the Alps.

Research 05.05.2025

Photovoltaic energy: optimising yield in winter

SLF researcher Anja Mödl is investigating how snow-covered terrain reflects sunlight in order to optimise the energy yield of PV systems.

Research 29.04.2025

Measuring at 2,536 metres: tracking winter changes

Around 90 years of SLF snow measurements on the Weissfluhjoch provide key data for climate research, avalanche warnings and water supply.

Research for people and the environment in a changing world ¶

Events

02.06.2025

WSL Diversity Officer Urte Reckowsky on research in everyday life and under extreme conditions, 3.6.2025, 18.30, Kulturplatz Davos.

Services and products

28.05.2025

Bondo, Brienz, Blatten - natural hazards threaten life and infrastructure in the Alps. How WSL researchs the processes in the new Diagonal.

Logbook

22.05.2025

In this logbook entry, secondary school student Mira Lange reports on her impressions after three exciting weeks at the SLF.

Research

20.05.2025

Our experts answer the most frequently asked questions about mountain hazards.

Institutional

20.03.2025

A new WSL strategy, SNSF funding for two major projects, and a new director: WSL's highlights of 2024.

Research

18.03.2025

Climate change is visibly affecting the forest, as shown by the 2025 Forest Report published by the FOEN and WSL.

Our experts analyze the avalanche situation.

25 May 2025