Answer the following question: Jääsjärvi is a medium-sized lake of Finland. It is located in Hartola and Joutsa municipalities in the regions Central Finland and Päijänne Tavastia. The water quality in the lake is excellent. The river Tainionvirta has its source in Jääsjärvi. Jääsjärvi flows through it and with several smaller lakes to Päijänne. Water in Jääsjärvi is bright. Lake is part of Sysmä catchment area and Kymijoki main catchment area. 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?
Answer:
Natural Place