Arnensee Lake
High Alpine reservoir lake in Canton of Bern
Arnensee, a high‑valley reservoir in the Bernese uplands, offers hiking, fishing and short lakeside walks. Day‑trippers use local trails for alpine views and freshwater scenery.
Arnensee at a Glance#
Address: Arnensee, Canton of Bern, Switzerland
How to Get to Arnensee#
Arnensee is reached from Raron or Gsteig via mountain roads and marked hiking trails; local buses serve trailheads in season. Driving from major Swiss towns requires mountain-road navigation.
Tips for Visiting Arnensee#
- The Arnensee is best appreciated from the walking path that circles the lake - the 5-6 km trail gives multiple vantage points.
- In summer hire a rowing boat at designated spots for a more private perspective on the water.
- Check local alpine weather forecasts before heading into the surrounding peaks; conditions can shift quickly.
Best Time to Visit Arnensee#
Best in summer for hiking and clear water views, and in winter for snowscape activities if conditions allow.
Weather & Climate near Arnensee#
Arnensee's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -6°C to 17°C. Abundant rainfall (1345 mm/year), wettest in December.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -6° - 0° | -8° | 126 mm | overcast | 85% | 3.7 m/s | 0.1 low | 8.9h |
| February | Poor | -7° - 0° | -8° | 134 mm | overcast | 85% | 3.8 m/s | 0.3 low | 10.2h |
| March | Poor | -5° - 2° | -6° | 98 mm | partly cloudy | 84% | 3.9 m/s | 0.6 moderate | 11.8h |
| April | Poor | -2° - 5° | -3° | 100 mm | partly cloudy | 80% | 3.6 m/s | 1.0 high | 13.4h |
| May | Acceptable | 2° - 10° | 4° | 110 mm | overcast | 80% | 3.5 m/s | 1.4 high | 14.8h |
| June | Acceptable | 5° - 14° | 8° | 113 mm | partly cloudy | 78% | 3.4 m/s | 1.7 very high | 15.6h |
| July | Good | 8° - 17° | 12° | 99 mm | partly cloudy | 77% | 3.3 m/s | 1.8 very high | 15.2h |
| August | Good | 8° - 17° | 13° | 100 mm | partly cloudy | 77% | 3.2 m/s | 1.5 high | 14.0h |
| September | Acceptable | 5° - 14° | 8° | 85 mm | partly cloudy | 80% | 3.2 m/s | 1.0 moderate | 12.4h |
| October | Acceptable | 2° - 9° | 3° | 110 mm | partly cloudy | 80% | 3.4 m/s | 0.5 moderate | 10.7h |
| November | Poor | -3° - 4° | -3° | 127 mm | overcast | 85% | 3.8 m/s | 0.2 low | 9.3h |
| December | Poor | -5° - 1° | -7° | 143 mm | overcast | 84% | 3.8 m/s | 0.1 low | 8.5h |
