| Riasten | |
|---|---|
| Location | Holtålen, Sør-Trøndelag |
| Coordinates | 62°50′43″N 11°45′57″E / 62.8452°N 11.7657°ECoordinates: 62°50′43″N 11°45′57″E / 62.8452°N 11.7657°E |
| Basin countries | Norway |
| Max. length | 5 kilometres (3.1 mi) |
| Max. width | 1.5 kilometres (0.93 mi) |
| Surface area | 5.14 km2 (1.98 sq mi) |
| Shore length1 | 16 kilometres (9.9 mi) |
| Surface elevation | 805 metres (2,641 ft) |
| References | NVE |
| 1 Shore length is not a well-defined measure. | |
Riasten is a lake in the municipality of Holtålen in Sør-Trøndelag county, Norway. The lake lies near the border with Tydal and Røros, about 25 kilometres (16 mi) east of Ålen/Renbygda.