| Ørteren | |
| Location: | Hol (Buskerud) |
| Basin Countries: | Norway |
| Area: | 10.46km2 |
| Pushpin Map: | Buskerud#Norway |
| Shore: | 31.49km (19.57miles) |
| Elevation: | 1147m (3,763feet) |
| Reference: | NVE |
Ørteren is a lake in the municipality of Hol in Buskerud county, Norway.
Ørteren is located in Hardangervidda. Norwegian National Road 7 runs along the east side of the Lake.
Ørteren is regulated for Ørteren Kraftverk, a hydroelectric power plant at Haugastøl. The power plant utilizes a drop of 160 meters between Ørteren and Sløtfjorden. It went into production in 1966. The dam and the intake were built by Oslo Energi and are currently operated by E- CO.[1] [2] [3]