Oeschinen Lake

Oeschinen Lake (German: "Oeschinensee") is a lake in the Bernese Oberland, Switzerland, east of Kandersteg in the Oeschinen valley. At an elevation of , it has a surface area of . Its maximum depth is .
The lake is fed through a series of mountain creeks and drains underground. The water then resurfaces as the "Oeschibach". Part of it is captured for electricity production and as water supply for Kandersteg.
In observations from 1931 to 1965, the elevation of the lake surface varied between and . The average seasonal variation was (September/April).
The lake is generally frozen during five months, from December to May. From time to time ice skating is possible on the ice.
Fish in the lake include Arctic char ("Seesaibling"), lake trout ("Kanadische Seeforelle"), rainbow trout ("Regenbogenforelle"). From January to March, ice fishing is popular.
A gondola lift from Kandersteg leads to Oeschinen, 25 minutes by foot from the lake.
Since 2007 the lake is part of the Jungfrau-Aletsch-Bietschhorn UNESCO World Heritage Site.