| Onarheimsvatnet | |
|---|---|
| Opsangervatnet | |
  Onarheimsvatnet Location of the lake  Onarheimsvatnet Onarheimsvatnet (Norway) | |
| Location | Kvinnherad, Vestland |
| Coordinates | 59°51′15″N 5°45′37″E / 59.8541°N 5.7603°E |
| Basin countries | Norway |
| Max. length | 3.5 kilometres (2.2 mi) |
| Max. width | 1.2 kilometres (0.75 mi) |
| Surface area | 2.25 km2 (0.87 sq mi) |
| Shore length1 | 12.28 kilometres (7.63 mi) |
| Surface elevation | 8 metres (26 ft) |
| References | NVE |
| 1 Shore length is not a well-defined measure. | |
Onarheimsvatnet or Opsangervatnet is a lake in the municipality of Kvinnherad in Vestland county, Norway. The 2.25-square-kilometre (0.87 sq mi) lake is located between the villages of Husnes and Sunde.[1]