WSL Institute for Snow and Avalanche Research SLF

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.

Events 03.04.2025

Investigating the unthinkable

How can we prepare for something unprecedented? WSL has investigated the effects of extreme events and how to deal with them.

Research 01.04.2025

Gliding avalanches: the great unknowns

SLF researchers have collected data directly beneath gliding avalanches for the first time. They aim to accurately predict avalanche timing.

Research for people and the environment in a changing world ¶

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.

Services and products

11.03.2025

A new design, more functionality and clarity and extra, updated learning content: introducing the revamped White Risk app for snow tourism.

Snow and avalanches

10.03.2025

Little snow at low, lots at high altitudes, above-average accident figures - the 2023/24 winter report is here. (only in German and French)

Logbook

26.02.2025

SLF scientist Sergi González-Herrero writes about his work in Antarctica to get young students involved in science. Part 9

Institutional

28.01.2025

WSL adapts its organigram: the research activities will now be organized into only nine research units instead of the previous twelve.

Our experts analyze the avalanche situation.

5 May 2025