Bös Fulen Mountain
Prominent Schwyz summit in the Glarus Alps
A summit in the Canton of Schwyz, Bös Fulen is part of the Schwyz Alps and draws hikers and climbers for steep routes, ridge scrambles and alpine views.
Bös Fulen at a Glance#
Address: Bös Fulen, Canton of Schwyz, Switzerland
Hours: Always accessible (weather permitting)
Admission: Free (mountain access)
About Bös Fulen#
Bös Fulen is a mountain in the Schwyzer Alps on the border of the cantons of Schwyz and Glarus, and it is the highest point of the canton of Schwyz. The peak is known for its steep ridges and alpine character.
Routes to the summit are undertaken by hikers and scramblers and typically require alpine experience and good weather; the mountain provides extensive views across adjacent valleys and ranges. The terrain includes steep rock and grassy slopes typical of the Schwyzer Alps.
The mountain forms part of the range separating valley systems in eastern Switzerland and is reached from mountain passes and local trailheads. It is a distinct natural landmark within the canton and a common target for local mountaineering activity.
Bös Fulen lies within the Schwyz canton highlands, straddling the cantonal border with Glarus in central eastern Switzerland, set among steep alpine valleys and ridgelines.
- Canton high point: Serves as the highest point of the Canton of Schwyz and is a popular objective for summer mountain hikes and alpine scrambling routes.
How to Get to Bös Fulen#
Access commonly from Braunwald (take the Braunwaldbahn cable car from Linthal/Weesen area), then follow marked trails and alpine routes toward the Bös Fulen summit. Trailheads are reachable by regional trains and local buses to Linthal or Braunwald.
Tips for Visiting Bös Fulen#
- Start early to avoid afternoon storms common in summer alpine weather.
- Approach via the Bös Fulen trail from Braunwald for a classic route; snowfields can persist into late spring.
- Carry crampons and an ice axe in shoulder seasons - the final slopes can be steep and exposure is real.
Best Time to Visit Bös Fulen#
June through September is the safest window for non-technical ascents and clear alpine weather.
Weather & Climate near Bös Fulen#
Bös Fulen's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -10°C to 10°C. Heavy rainfall (2005 mm/year), wettest in July, distributed fairly evenly throughout the year.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -10° - -4° | -14° | 156 mm | partly cloudy | 87% | 6.3 m/s | 0.2 low | 8.9h |
| February | Poor | -10° - -5° | -15° | 138 mm | partly cloudy | 85% | 6.0 m/s | 0.3 low | 10.2h |
| March | Poor | -9° - -4° | -13° | 152 mm | partly cloudy | 83% | 5.8 m/s | 0.7 moderate | 11.8h |
| April | Poor | -7° - -2° | -11° | 162 mm | overcast | 78% | 5.3 m/s | 1.0 high | 13.4h |
| May | Poor | -2° - 2° | -5° | 153 mm | overcast | 78% | 4.8 m/s | 1.3 high | 14.8h |
| June | Poor | 1° - 6° | -1° | 186 mm | overcast | 77% | 4.5 m/s | 1.7 very high | 15.6h |
| July | Poor | 3° - 9° | 3° | 207 mm | partly cloudy | 77% | 4.5 m/s | 1.7 very high | 15.2h |
| August | Acceptable | 4° - 10° | 4° | 190 mm | partly cloudy | 78% | 4.2 m/s | 1.4 high | 14.0h |
| September | Poor | 1° - 7° | 0° | 168 mm | partly cloudy | 81% | 4.9 m/s | 1.0 moderate | 12.4h |
| October | Poor | -2° - 3° | -4° | 155 mm | partly cloudy | 82% | 5.5 m/s | 0.5 low | 10.7h |
| November | Poor | -6° - -1° | -10° | 170 mm | partly cloudy | 85% | 6.1 m/s | 0.2 low | 9.3h |
| December | Poor | -8° - -3° | -13° | 168 mm | partly cloudy | 86% | 6.4 m/s | 0.1 low | 8.5h |
