Castor (mountain) Mountain
Alpine peak in the Pennine Alps, twin of Pollux
Castor rises in the Pennine Alps on the Switzerland-Italy divide as a high, glaciated summit. Mountaineers attempt technical routes; nearby valleys serve hikers and mountain-hut approaches.
Castor (mountain) at a Glance#
How to Get to Castor (mountain)#
Approaches depend on the chosen route: common trailheads are the alpine villages of Zermatt (Switzerland) or the Italian side at Breuil-Cervinia. From these bases climbers use cable cars and mountain huts as staging points; hiring local mountain guides is standard practice.
Tips for Visiting Castor (mountain)#
- If climbing, acclimatize and hire a certified guide - routes can be glaciated and conditions change rapidly.
- Consider early starts for summit attempts to avoid afternoon wind and potential storms.
- Study the classic route descriptions and check current mountain reports; conditions on Castor's glaciers vary year to year.
- Use Zermatt or the village of Saas-Fee as the usual approach corridors depending on the chosen itinerary.
Best Time to Visit Castor (mountain)#
Summer (June-September) is the main climbing season; technical routes require good glacier travel skills and current conditions checks.
Weather & Climate near Castor (mountain)#
Castor (mountain)'s climate is classified as Tundra - Tundra climate with freezing summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -17°C to 0°C. Very dry conditions with minimal rainfall.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -17° - -13° | -26° | 28 mm | partly cloudy | 84% | 9.6 m/s | 0.2 low | 9.0h |
| February | Poor | -17° - -14° | -27° | 24 mm | partly cloudy | 84% | 8.5 m/s | 0.3 low | 10.2h |
| March | Poor | -17° - -14° | -27° | 28 mm | partly cloudy | 87% | 8.8 m/s | 0.6 moderate | 11.8h |
| April | Poor | -16° - -12° | -25° | 16 mm | overcast | 83% | 8.0 m/s | 1.0 high | 13.4h |
| May | Poor | -12° - -7° | -18° | 14 mm | overcast | 78% | 7.0 m/s | 1.4 high | 14.7h |
| June | Poor | -8° - -4° | -14° | 16 mm | partly cloudy | 75% | 6.7 m/s | 1.8 very high | 15.4h |
| July | Poor | -4° - -1° | -9° | 19 mm | partly cloudy | 75% | 6.7 m/s | 1.9 very high | 15.1h |
| August | Acceptable | -3° - 0° | -7° | 22 mm | partly cloudy | 75% | 5.8 m/s | 1.6 very high | 13.9h |
| September | Poor | -5° - -3° | -11° | 20 mm | partly cloudy | 78% | 6.5 m/s | 1.0 high | 12.4h |
| October | Poor | -8° - -6° | -15° | 12 mm | partly cloudy | 80% | 7.2 m/s | 0.5 moderate | 10.8h |
| November | Poor | -13° - -9° | -21° | 21 mm | partly cloudy | 85% | 8.4 m/s | 0.2 low | 9.4h |
| December | Poor | -15° - -11° | -24° | 18 mm | partly cloudy | 83% | 9.4 m/s | 0.1 low | 8.6h |
