Lake Sapanca is a fresh water lake in Turkey, between the Gulf of İzmit and the Adapazarı Meadow. The lake has a catchment area of 251 km², surface area is 45 km², a length 16 km east-west / 5 km north-south, and a maximum depth of 52 m.
Lake Sapanca, Turkey
Sapanca Lake is located on a tectonic hole, which is situated between Izmit Bay and Adapazari Meadow and runs parallel to Iznik Lake.
Wikipedia https://en.wikipedia.org/wiki/Lake_Sapanca
Address 54055, Turkey
Coordinates 40°43'4.493" N 30°15'19.709" E