Fegen (lake)
Fegen is a lake and nature reserve in Sweden. The lake has a surface area of and a maximum depth of. The lake is situated in the traditional provinces Halland, Småland and Västergötland. Their boundaries meet approximately in the middle of the lake.
The village Fegen is located on the south side of the lake, the village Sandvik on the northeast side.The nature reserve Fegen covers an area of, partly lake, islands, and surrounding land. The nature reserve was established in 1980.