Lake Anavatn has an area of 4,9 km² and is about 7 km long. Its
greatest depth is 24 m and it is situated at 522 m above sea level. Its catchments area
includes several brooks, but Thvera, its discharge, flows to the south to
Lake Thverarvatn and then onwards to tribute to the glacial river Jokulsa
a Fjollum by the
The lake is situated
about 5 km from road no. 1 and is accessible by car from the north and
the south. Just south of the lake are the ruins of the farmstead
Heidarsel, which was the last to be abandoned in 1946. To the northeast of the
lake are the ruins of the farmstead Veturhus on the lake
Veturhusavatn. The catch consists of large lake char, 2-8 pounders.
The distance from the capital is about 598 km by the Whale Bay tunnel
and some 100 km from Egilsstadir.