The 3.14-square-kilometre (1.21 sq mi) lake lies in Orkland Municipality.
The village of Hoston is located on the northeastern shore of the lake.
At the southern tip of Hostovatnet there is a short connection to the lake Ringavatnet.
The lake is good for fishing trout and Arctic char.
This article related to a lake in Trøndelag in Norway is a stub.