El Chaltén — Avalanche Forecast
The latest avalanche bulletin for El Chaltén (Argentina) was valid until Saturday, September 26, 2026 (danger 2 — Moderate). No newer forecast has been published — likely off-season.
This bulletin expired on Saturday, September 26, 2026 — no newer forecast has been published.
Pay special attention to snow accumulations on slopes steeper than 35°, mainly in the alpine sector, where wind transport could have generated localized wind slabs. Be aware of the temperature increase, which could generate instability mainly in low and mid-mountain areas, especially in sectors with slopes near rocks and exposed to the sun. Carry the appropriate equipment for traveling on hard snow, especially ski crampons, due to
Danger by Elevation
Active Avalanche Problems


Today, a partially cloudy sky was recorded, with somewhat cold temperatures during the morning and an increase after midday. These conditions were accompanied by calm west and southwest winds. For tomorrow, Friday, clear skies are expected, with light west and northwest winds during the morning, which will tend to calm down by midday. The 0 °C isotherm will be around 100 m during the morning, rising in the afternoon to 900 m. For the
Source: CIAv Argentina (AAGM) · View Original Bulletin
Translated (ES)
Frequently asked questions
What does avalanche danger level 2 (Moderate) mean?
Heightened avalanche conditions on some steep slopes — careful route selection and terrain evaluation are needed.
How often is the El Chaltén forecast updated?
Avycast refreshes hourly; the bulletin is republished by CIAv Argentina (AAGM) usually once a day during the season.
Who publishes the El Chaltén avalanche forecast?
CIAv Argentina (AAGM) — the official warning service. Avycast aggregates and translates it; always check the original bulletin.