Hólmavötn are several in number and can be found south of Hólmaselshæðir on Tunguselsheiði. Most of them are about 270 m above sea level. Two lakes stand out and are by far the largest, with a stream running between them. The larger one is said to be about 0.45 km². Into the eastern Hólmavatn, the creek Stórilækur flows from Eyjavatn and Sveindalsvötnum, but from it flows River Kverká that merges with Rver Hafralónsá. Good fish are said to be in Hólmavötn and Arctic char is the dominant fish species. The lakes are a considerable walk from the jeep trail that runs through the heath. There has been some net fishing which has improved the size of the fish in the lake.