Lake Bästeträsk is a freshwater lake located in the northern part of the Swedish island of Gotland. The lake represents 652 hectare of the 1491 hectare large Bästeträsk nature reserve.
With an area of 6.52 km² it is the largest lake on the island. It is connected to the Baltic Sea through the stream Arån, which is a breeding ground for sea trout.
Bästeträsk is a freshwater reserve. It inhabits species such as northern pike, perch, roach, rudd, tench, european bullhead, whitefish and crayfish. In winter the lake is sometimes used for ice skating.
1Part of Bro and Duss 2Part of Dalhem and Hallvide 3Part of Eskelhem and Bringsarve 4Part of Klinte and Follingbo norra and Klinte and Follingbo södra 5Part of Hablingbo and Medebys 6Part of Levide and Skinnarve 7Part of Lummelunda and Etebols 8Part of Sanda and Lekarve 9Part of Sylfaste and Lere 10Part of Ansarve and Tofta 11Part of Västergarn and Stora Mafrids