Studnica lake (Polish: jezioro Studnica, pronounced [jɛˈʑɔrɔ studˈɲit͡sa]) is a lake located in the Gwda Valley District, in the north-west part of Poland. It is 24.9 m (82 ft) deep, 2.2 km (1.4 mi) long and 0.8 km (0.50 mi) wide. Studnica lake is also the source of Gwda river.

Studnica lake
Studnica lake is located in West Pomeranian Voivodeship
Studnica lake
Studnica lake
LocationGwda Valley District
Coordinates53°27′12″N 15°39′20″E / 53.45333°N 15.65556°E / 53.45333; 15.65556
Basin countriesPoland
Max. length2.2 km (1.4 mi)
Max. width0.8 km (0.50 mi)
Surface area1.02 ha (2.5 acres)
Max. depth24.9 m (82 ft)
Surface elevation139 m (456 ft)
Islandsnone

There are four different Studnica lakes in Poland.