Lake Suwa

Lake Suwa
諏訪湖 (Japanese) suwa-ko (Japanese)
Lake Suwa Location in Japan
Location	Nagano prefecture
Coordinates	36°02′54″N 138°05′03″E / 36.04833°N 138.08417°E / 36.04833; 138.08417
Primary inflows	31 small rivers of the Kiso Mountains
Primary outflows	Tenryū River
Basin countries	Japan
Surface area	13.3 km2 (5.1 sq mi)
Average depth	4.7 m (15 ft)
Max. depth	7.2 m (24 ft)
Shore length1	15.9 km (9.9 mi)
Surface elevation	759 m (2,490 ft)
Settlements	Okaya, Suwa, Shimosuwa
1 Shore length is not a well-defined measure.

Lake Suwa (諏訪湖, Suwa-ko) is a lake in the Kiso Mountains, in the central region of Nagano Prefecture, Japan.