Vestfirðir þar sem Þiðriksvallavatn er á Ströndum
Vötn

Discover Iceland

Thidriksvallavatn Reservoir

Wish list
I've seen it
Water typeRegulatedLake
Related damÞverárstífla
Power plantÞverárvirkjun
OperatorOrkubú Vestfjarða

Thidriksvallavatn is a lake in Steingrimsfjordur in the Westfjords and serves as the storage reservoir for Thvera Hydropower Plant. The Thvera river flows from the lake and has been used for power generation since the mid-20th century.

The lake level has been raised in stages by dam structures to increase storage and provide a more reliable water supply for the power plant.

Regulated
Last verified 23 September 2026 Source

Ratings and reviews

Þiðriksvallavatn

Þiðriksvallavatn er hluti af fjölbreyttu vatnakerfi Íslands. Hér má finna upplýsingar um staðsetningu, tengd vatnsföll, stíflur og virkjanir þar sem við á.