The Harms Lake Rest Area Nullarbor Plain is a free overnight rest area for fully self-contained vehicles, and is free – pets are OK but must be kept under control at all times. The Harms Lake Rest Area is close to Norseman which has a population of some 1600 people. Norseman has all the facilities you need when travelling across the Nullarbor Plain, with reasonable prices. There are no facilities at Harms Lake, ie, no toilets, no showers, no water and no telephone or internet access.