Surtesjön, Freshwater lake in western Gothenburg region, Sweden

Surtesjön is a freshwater lake in the western Gothenburg region, surrounded by forests and open ground. The lake sits at about 106 meters elevation and is reached by several marked trails that wind along and around its shoreline.

Surtesjön lies in the Göta älv main catchment area, mostly within the Vättlefjäll nature reserve, a Natura 2000 site. The lake covers 1.02 square kilometres, reaches 12 metres in depth and sits 98.3 metres above sea level. Its outflow drains through two watercourses before reaching the sea 21 kilometres away.

The lake is a gathering place where locals fish and spend time outdoors, especially during warmer months. The surrounding paths are regularly used by people who walk or jog here.

The trails around the lake are accessible year-round, with parking available at several entry points. Visitors should wear sturdy shoes and be prepared for weather conditions, as the paths can become wet after rain.

From Surtesjön it is easy to carry a canoe over to Gäddevattnet and then paddle through channels to Stentjärnen, Skyrsjön and Stora Kroksjön. Canoes are rented at Vättlestugan at the southern end of the lake.