Given the question: Almsee is a lake in Upper Austria's part of the Salzkammergut in the Almtal valley 11 kilometers (6.8 mi) south of the village of Grunau im Almtal. The lake lies in the northern portion of the Totes Gebirge mountains and is about 2.3 kilometers (1.4 mi) by 700 meters (2300 ft) wide.The lake drains through the Alm river. Since 1965 the area around the Almsee is under nature conservation. Konrad Lorenz made important observations of the Greylag Goose at the lake. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer is:
Natural Place