Troll is located in the eastern part of Princess Martha Coast in Queen Maud Land, on the nunatak bare ground area Jutulsessen, at above mean sea level. Troll is completely surrounded by the Antarctic ice sheet and is from the coast. The research station facilities are owned by the Government of Norway through the Norwegian Directorate of Public Construction and Property. Operation of the facility carried by another government agency, the Norwegian Polar Institute. The station has a cold and dry climate, being located in a desert. The annual mean temperature is , with the summer temperature able to reach about , and the lowest during the winter at . Storms, which can occur throughout the year, can occasionally make outdoor activity impossible.