Stora Gla, Recreational lake in Arvika municipality, Sweden

Stora Gla is a lake in Arvika municipality in Värmland, southwestern Sweden, with an area of 34.3 square kilometres and a depth of 67 metres. It lies 141 metres above sea level, and except for a small area near Glava Glasbruk it is entirely within Glaskogens naturreservat. Since 1958 it has been drained through a culvert from Tjärnebackeviken to Glava kraftstation.

Since 1958 Stora Gla has drained through a culvert from Tjärnebackeviken to the Glava hydroelectric station; after the turbine the water runs through a further culvert to Bergsviken in Glafsfjorden, which drains via Byälven to Vänern. The lake is regulated by a dam at the outlet from Åviken in the southeast, with a regulation height of three metres between 140 and 143 metres above sea level. Test fishing has recorded perch, ruffe, pike, burbot, roach, bleak, vendace and whitefish.

Fishing requires a fishing licence (fiskekort), and the catch includes trout, char, whitefish, pike and perch. The lake lies almost entirely within Glaskogens naturreservat, except for a small area by Glava Glasbruk, a former glassworks whose name the reserve carries.

The lake is regulated by a dam at the outlet from Åviken in the southeast, with the water level held between 140 and 143 metres above sea level. Fishing is allowed only with a purchased fishing card. Apart from a small area by Glava Glasbruk, the whole lake lies within Glaskogens nature reserve.

Since 1958 Stora Gla has drained through a culvert from Tjärnebackeviken to the Glava power station; after the turbine the water runs on to Bergsviken in Glafsfjord and then via Byälven to Vänern. The lake is regulated by a dam at the outlet from Åviken in the southeast, with a regulation range of three metres between 140 and 143 metres above sea level.