Lake Saroma

Lake Saroma (サロマ湖, Saroma-ko), also Saroma Lagoon,^[1] is a coastal lagoon (hence a body of brackish water) in Saroma, Kitami, and Yūbetsu. It is located in Abashiri Quasi-National Park. By area, the lake is the third largest in Japan and the largest in Hokkaidō.

Lake Saroma
Saroma Lagoon
サロマ湖 (Japanese)
Overlooking Lake Saroma
Lake Saroma
Location	Okhotsk, Hokkaidō, Japan
Coordinates	44°10′N 143°43′E
Type	Mesotrophic
Primary outflows	Sea of Okhotsk
Catchment area	618 km2 (239 sq mi)
Basin countries	Japan
Surface area	150 km2 (37,000 acres)
Average depth	8.7 m (29 ft)
Max. depth	19.5 m (64 ft)
Water volume	1.3 km3 (0.31 cu mi)
Shore length1	82.4 km (51.2 mi)
Surface elevation	0 m (0 ft)
Frozen	December to March
Islands	none
1 Shore length is not a well-defined measure.

The name comes from the Ainu place name Saruomahetsu, meaning "place of many Miscanthus reeds and rushes".^[2]

Another nearby coastal lagoon is Notoro Lagoon, about 15 km (9.3 mi) to the east.