📷 Cerro Castor
South America
Cerro Castor
Good
→stable
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Last Snowfall
Aug 21
todayPast 24 Hours
5cm
Reported by Cerro CastorPast 48 Hours
9.1cm
Past 10 Days
20cm
14-Day Forecast
14.8cm
Snow Depth
15cm
Resort reported (website)Powder Days
7
2026 season
Overview
Cerro Castor is a ski resort in South America, Argentina. Today's SnowSure™ Score is 47/100 (Good), snow base 15 cm (5.9 in), 5 cm (2 in) of new snow in the last 24 hours. The 14-day ensemble forecast across seven weather models (ECMWF, GFS, GEM, JMA, ICON, Météo-France, Met Norway) calls for ~15 cm (5.9 in) of new snow. Conditions last updated 2026-08-21 17:02 UTC.
Resort Guide
Cerro Castor is the southernmost ski resort in the world, located near Ushuaia in Tierra del Fuego, Argentina. The resort features over 34 kilometers of skiable terrain across a variety of runs suitable for all levels, modern lift infrastructure, and a long ski season from June to October due to its unique latitude. Visitors can enjoy a relaxed atmosphere, panoramic views of the Andes and Beagle Channel, and amenities including equipment rentals, ski schools, and multiple dining options. Cerro Castor stands out for its reliable snow conditions, family-friendly environment, and distinctive Patagonian setting.
Gallery
Click to expand • 10 total photos
Terrain & lifts
Resort-reported stats for Cerro Castor
Lifts
14
Skiable area
1600 ac
Longest run
2.5 km / 1.6 mi
Runs by difficulty(31 total)
Beginner
7
23% of terrain
Intermediate
16
51% of terrain
Advanced
8
26% of terrain
Run counts estimated from resort-reported totals and terrain mix.
Lift fleet
- Quad chair6
- Surface lift4
Resort Info
Season dates
Future dates are operator estimates and may change.
Ski passes
No ski pass found
Access tiers change by season — confirm benefits on the pass operator's site.
Top Après Ski
Morada del Águila – This popular après-ski spot at Cerro Castor is renowned for its cozy alpine ambiance, panoramic mountain views, and hearty Patagonian cuisine, making it a favorite gathering place for skiers to unwind with local wines and craft beers after a day on the slopes.
Solid conditions with good coverage.
Cerro Castor is currently experiencing a light drizzle with temperatures around -3°C and a snow depth of 15cm. In the past week, the resort received 20cm of fresh snow, contributing to a solid base as the season progresses.
AI-generated summaryDepth
15cm depth — upper mountain may be better.
Recent
In the last 7 days, 20cm of new snow has fallen.
Forecast
The 14-day forecast suggests an average of 15cm of additional snowfall.
Historic
So far this season, snow accumulation is 133% of the 5-year average for this date, which is 105cm.
Data updated Fri, Aug 21, 05:02 PM UTC
Snow Summary
Updated Aug 21, 2026 at 5:02 PM
Historical data from Open-Meteo archive • Forecast from ECMWF IFS model
Snowfall Forecast Maps
Andes (Chile & Argentina) region
Current Conditions
Reported Fri, Aug 21, 05:02 PM UTC
Depth by source
every reading we have- Resort ReportedBase 15cm · Mid 38cm · Summit 50cm
- Open-MeteoBase 25cm · Summit 25cm
The headline depth uses the most trusted available source. We show every reading so you can judge for yourself.
Freezing Level
549m
🌡️ Mid-mountain - mixed conditions
Base
195m
Temp
2.3°C
Wind
22.2km/h
Snow Depth
15cm
Resort reported (website)
Resort 15cm · Model 25cm
14-Day Forecast
6.3cm
Mid-Mountain
626m
Temp
--°C
Wind
24km/h
Snow Depth
38cm
Resort reported (website)
14-Day Forecast
14.8cm
Summit
1057m
Temp
-3.3°C
Wind
22.2km/h
Snow Depth
50cm
Resort reported (website)
Resort 50cm · Model 25cm
14-Day Forecast
15.1cm
Ops signals
- ●Fresh snow + cold temps — good grooming window next 48h
Lifts Open
open
Runs Open
open
Local Reports
0 reportsDaily Snowfall Forecast by Model
Black line = verified SnowSure™ blend (not a simple average). Weights update weekly from measured snowfall at SNOTEL stations and resort reports.
SnowSure™ blend — verified model weighting
The black line is not a simple average. For Cerro Castor (andes), we combine seven global weather models using weights learned from daily forecast verification — comparing each model's prediction to measured snowfall (SNOTEL, resort reports, ERA5).
- 1.Horizon buckets: days 1–3, 4–7, and 8–14 each get separate weights — short-range skill differs from long-range.
- 2.Regional calibration: weights come from verified error in this geography (Rockies, Alps, Japan, etc.), recalculated weekly.
- 3.Ground truth only: we never grade a forecast against another model — only against measured snow.
Building verification history for this resort.
How we verify forecasts →Hourly Forecast Detail
AM / PM / Night breakdown with wind and freezing level
NWP models refresh up to 4× daily · Last synced Aug 21, 5:02 PM
Today -3 / -54.5cm6.4mm | Sat, Aug 22 -4 / -61.2cm1.6mm | Sun, Aug 23 -3 / -9 | Mon, Aug 24 -3 / -60.5cm0.8mm | Tue, Aug 25 -2 / -42.9cm4.1mm | Wed, Aug 26 -2 / -70.4cm0.5mm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night |
| Snow (cm) | 0.5 | 1.3 | 2.7 | 0.4 | 0.3 | 0.5 | 0 | 0 | 0 | 0.1 | 0.3 | 0.1 | 0.8 | 0.7 | 1.4 | 0 | 0 | 0.4 |
| Precip (mm) | 0.7 | 1.8 | 3.9 | 0.5 | 0.4 | 0.7 | 0 | 0 | 0 | 0.2 | 0.4 | 0.2 | 1.1 | 1 | 2 | 0 | 0 | 0.5 |
| Temp (°C) | -4 | -3 | -4 | -5 | -4 | -5 | -7 | -4 | -7 | -5 | -3 | -4 | -3 | -2 | -3 | -6 | -3 | -4 |
| Wind (km/h) | 23 | 23 | 25 | 18 | 13 | 14 | 8 | 16 | 8 | 11 | 10 | 11 | 5 | 2 | 7 | 3 | 5 | 5 |
| Gusts (km/h) | 65 | 67 | 71 | 53 | 39 | 40 | 22 | 43 | 24 | 32 | 31 | 33 | 26 | 23 | 24 | 12 | 12 | 12 |
14-Day Snow Forecast by Model
Summit elevation (1057m)
10-Day Forecast
Today
21
❄️
-3.3°
-4.9°
4.1cm
27 km/h
Sat
22
❄️
-3.8°
-6°
1.7cm
25 km/h
Sun
23
☁️
-3.2°
-9.4°
19 km/h
Mon
24
🌧️
-2.8°
-6°
0.4cm
13 km/h
Tue
25
❄️
-1.6°
-3.6°
2.8cm
11 km/h
Wed
26
❄️
-2.3°
-7.3°
0.7cm
5 km/h
Thu
27
❄️
-2.7°
-5.6°
0.7cm
9 km/h
Fri
28
❄️
-4.3°
-5.7°
2.1cm
6 km/h
Sat
29
❄️
-3.8°
-5.8°
1.3cm
4 km/h
Sun
30
❄️
-2.5°
-9°
0.6cm
8 km/h
Summit elevation (1057m) • ECMWF model
Season vs Historic
Updated Fri, Aug 21, 05:02 PM UTC
140cm
Season Total
This Season to Date
+33%
vs 5-Year Avg
105cm avg by now
+63%
vs 30-Year Avg
86cm avg by now
105cm
5-Yr Avg by Now
This season is at 80.3 cm to date. The last completed season totaled ~139.7 cm. That's 33% above the 5-year average (105 cm). Versus the 30-year baseline: 62% above the 30-year average (86 cm).
Cerro Castor Snow History
Average annual snowfall is 154cm with an average of 105 snowfall days per season. The table below shows monthly averages across 31 seasons of archive data (modeled snowpack at mid-elevation).
| Month | Avg Snowfall | Snowfall Days | Avg Base Depth | Max Base Depth | Biggest Snowfall |
|---|---|---|---|---|---|
| June | 29.4cm | 20 days | 22cm | 31cm | 6.5cm |
| July | 32.3cm | 22 days | 38cm | 47cm | 6.5cm |
| August | 32.1cm | 20 days | 51cm | 58cm | 6.9cm |
| September | 26cm | 17 days | 51cm | 60cm | 5.9cm |
| October | 20cm | 15 days | 21cm | 41cm | 5.4cm |
Source: SnowSure archive · Open-Meteo ERA5 reanalysis at mid-elevation. Depth is modeled, not resort-reported.
Season at a Glance
Current season(2026)
Opened Jul 3, 2026
Scheduled close: Oct 4, 2026
Multi-season averages will appear once SnowSure has tracked more than one full season.
ENSO seasonal analog
History · not a forecastIn 5 past El Niño winters at Cerro Castor, ERA5 season snowfall median was 188 cm (74 in), about 27% above this resort’s long-term median. This is a historical analog from reanalysis — not a prediction of this winter’s storm track.
Prevailing ONI
El Niño
MJJ 2026 · ANOM +1.39°C
Analog season median
188 cm
5 El Niño winters · 27% above median
All-season median
148 cm
Across 30 ERA5 seasons (2026)
| Phase | Seasons | Median | p25–p75 | Recent analogs |
|---|---|---|---|---|
| El Niñocurrent | 5 | 188 cm | 152 cm – 208 cm | 2023, 2015, 2009, 2002, 1997 |
| La Niña | 4 | 114 cm | 106 cm – 142 cm | 2022, 2010, 1999, 1998 |
| ENSO-neutral | 21 | 145 cm | 119 cm – 200 cm | 2025, 2024, 2021, 2020, 2019, 2018 |
Season snowfall from Open-Meteo ERA5 reanalysis (~9 km). ENSO phase from NOAA CPC Oceanic Niño Index. Relative phase differences are more trustworthy than absolute cm totals. Source: NOAA CPC Oceanic Niño Index + Open-Meteo ERA5 via SnowSure season archive.
Best Months to Visit
August
Peak Season
July
Peak Season
September
Good
June
Good
Note: Based on typical ski season patterns for this region.
Frequently asked questions about Cerro Castor
- Where is Cerro Castor?
- Cerro Castor is a ski resort in Argentina.
- How high is Cerro Castor?
- Cerro Castor runs from a base elevation of 195 m (640 ft) to a summit of 1,057 m (3,468 ft), giving a vertical drop of 862 m (2,828 ft).
- How big is Cerro Castor?
- Cerro Castor has 1,600 acres (647 hectares) of skiable terrain, 31 marked runs and 14 lifts.
- Which ski pass covers Cerro Castor?
- Cerro Castor is on the No ski pass found. Access terms such as blackout dates and day limits vary by pass tier, so check the pass operator for the current season.
- When is ski season at Cerro Castor?
- Cerro Castor typically operates from June to October. Exact opening and closing dates shift each year with snowfall — check the resort's current season dates before booking.
- How much snow does Cerro Castor get in a typical season?
- Cerro Castor averages 240 inches / 610 cm of snowfall in a typical season. Any individual season can run well above or below that.
