Coming soon

We make mountains safer.

Closing the hidden-risk gap in avalanche terrain. SkiCrux scores avalanche risk slope by slope, so you can plan your route with better information.

Follow @skicrux Why it matters

The problem

Avalanches keep catching experienced backcountry travelers in the Swiss Alps

288 people were caught in avalanches in the Swiss Alps last winter 2025/26 season · 198 recorded accidents · backcountry touring & off-piste

430 people have died in avalanches in the Swiss Alps over the past 20 years 2006–2026 · roughly one fatal accident every 2–3 weeks of winter

Source: SLF, WSL Institute for Snow and Avalanche Research. All recorded avalanche accidents in Switzerland, 2006–2026 (backcountry touring and off-piste skiing/snowboarding).

Route selection

Route selection is critical, and it takes decades to master

Where you choose to put your line on a slope is often the single biggest factor separating a safe descent from a fatal one. Reading terrain, snow history and wind loading well enough to choose reliably takes decades in the mountains.

Five avalanche problems

Most of them are invisible until it's too late

New snow

Freshly fallen snow that hasn't yet bonded to the layer beneath it. Danger climbs directly with snowfall rate, and usually settles again within a day or two.

Wind-drifted snow (wind slabs)

Wind picks up loose snow and redeposits it as a dense slab on lee slopes. This is the hazard SkiCrux was first built to catch.

Persistent weak layers (old snow)

A buried weak layer, such as facets or surface hoar, that can keep failing for weeks. The hardest problem to predict, and the least forgiving.

Wet snow

Meltwater weakens the snowpack from within, typically during warm spells or in spring. Time of day matters as much as terrain.

Gliding snow

The entire snowpack slowly slides on the ground, often on smooth, grassy slopes, and can release with little warning.

These are the five avalanche problems defined by EAWS (European Avalanche Warning Services) and used in the official SLF avalanche bulletin.

How it works

One rating per region isn't enough. We score every slope.

A regional bulletin can flag the hazard type and the danger level for an entire zone, but it can't tell you which individual slope to avoid. SkiCrux uses a machine-learning model trained on real terrain, real weather and real accidents to make that visible to everyone, not just the most experienced.

Terrain
Slope, aspect, elevation and wind exposure for the exact slope, from a digital elevation model.
Weather & snow history
Snowfall, wind and temperature over the preceding days and weeks.
Bulletin signals
The official danger rating, plus the five avalanche-problem flags.
Risk per slope
A model trained on real SLF-recorded accidents gives each slope a calibrated risk score.

Tested on accidents the model had never seen, it relies most on where the sun hits a slope and the shape of the terrain. That is a spatial signal a regional bulletin can't give you.

What it means for you

Plan and navigate complex terrain with better decisions

Make better, more informed decisions with risk-preventive tools
Avoid hidden risks
Become a knowledgeable and smarter skier
Ski with peace of mind, for you and your loved ones

Coming soon