| Lake Shikotsu 支笏湖 | |
|---|---|
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  Lake Shikotsu 支笏湖 | |
| Coordinates | 42°48′N 141°21′E / 42.800°N 141.350°E |
| Type | crater lake |
| Primary inflows | Bifue, Okotanpe, Ninaru, Furenai |
| Primary outflows | Chitose |
| Catchment area | 223 km2 (86 sq mi) |
| Basin countries | Japan |
| Surface area | 78.4 km2 (30.3 sq mi) |
| Average depth | 265.4 metres (870.7 ft) |
| Max. depth | 363 metres (1,191 ft) |
| Water volume | 20.81 km3 (4.99 cu mi) |
| Shore length1 | 40.4 kilometres (25.1 mi) |
| Surface elevation | 247 metres (810 ft) |
| Islands | 0 |
| 1 Shore length is not a well-defined measure. | |
Lake Shikotsu (支笏湖, Shikotsu-ko) is a caldera lake in Chitose, Hokkaidō, Japan. It is a part of the Shikotsu-Toya National Park.