St. Peter's Island Island
Idyllic lake island with medieval monastery ruins
St. Peter's Island in Lake Biel offers walking trails, shoreline access and monastery ruins; visitors arrive by boat for short hikes and lake views.
St. Peter's Island at a Glance#
About St. Peter's Island#
St. Peter’s Island is a small island in Lake Biel (Bielersee) in the Canton of Bern, Switzerland. It is known locally as St. Petersinsel / Île Saint-Pierre and is a recreational and natural area on the lake.
On the island visitors find walking paths, shoreline suitable for swimming in summer, and open landscapes used for picnics and birdwatching. The terrain is compact enough to explore on foot within a few hours and offers panoramic views across Lake Biel to the surrounding hills.
The island has a long history of human use including religious and rural activities; historic buildings and archaeological remains are present on the site. Over time it has shifted from agricultural and monastic use to protected recreational and nature-conservation functions.
Geographically the island lies in the western basin of Lake Biel, off the lake shore near the town of Erlach/Biel in the Bernese Seeland region. Boat services and lakeside access points from nearby towns provide the usual routes onto the island.
How to Get to St. Peter's Island#
Regular commuter and tourist boats on Lake Thun stop at the island during summer months; embarkation points include nearby lakeside towns-consult the regional boat operator timetable for seasonal runs.
Tips for Visiting St. Peter's Island#
- Take a boat from nearby portals on Lake Thun-check schedules for summer services that stop at the island.
- Explore the ruins and lakeside paths; the island's slopes are gentle but can be slippery after rain.
- Combine the visit with a paddle or boat trip on the lake to enjoy views of the Bernese Alps.
Best Time to Visit St. Peter's Island#
Visit in summer for easiest access via lake boats; shoulder seasons offer quieter visits but shorter service timetables.
Weather & Climate near St. Peter's Island#
St. Peter's Island's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in January). Temperatures range from -2°C to 23°C. Moderate rainfall (921 mm/year).
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -2° - 4° | -2° | 59 mm | overcast | 90% | 2.2 m/s | 0.1 low | 8.8h |
| February | Poor | -1° - 5° | -1° | 56 mm | overcast | 88% | 2.2 m/s | 0.2 low | 10.1h |
| March | Acceptable | 1° - 9° | 3° | 59 mm | partly cloudy | 84% | 2.4 m/s | 0.5 moderate | 11.8h |
| April | Acceptable | 4° - 13° | 7° | 72 mm | partly cloudy | 80% | 2.3 m/s | 0.9 moderate | 13.5h |
| May | Good | 8° - 18° | 13° | 96 mm | overcast | 80% | 2.1 m/s | 1.3 high | 14.9h |
| June | Good | 11° - 21° | 16° | 97 mm | partly cloudy | 79% | 2.1 m/s | 1.6 very high | 15.7h |
| July | Very Good | 13° - 23° | 18° | 88 mm | partly cloudy | 76% | 2.0 m/s | 1.6 very high | 15.3h |
| August | Very Good | 13° - 23° | 18° | 91 mm | partly cloudy | 76% | 1.8 m/s | 1.3 high | 14.1h |
| September | Good | 10° - 19° | 15° | 81 mm | partly cloudy | 80% | 1.8 m/s | 0.9 moderate | 12.4h |
| October | Acceptable | 6° - 14° | 9° | 78 mm | partly cloudy | 84% | 1.8 m/s | 0.4 low | 10.7h |
| November | Poor | 2° - 8° | 3° | 76 mm | overcast | 89% | 1.9 m/s | 0.2 low | 9.2h |
| December | Poor | -1° - 5° | 0° | 68 mm | overcast | 89% | 2.2 m/s | 0.1 low | 8.3h |
