Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Lake Kivijarvi (South Karelia) - Lake Kivijarvi (South Karelia) is a medium-sized lake in South Karelia Eastern Finland with a total area of 76.4 square kilometres (29 sq mi). The name Kivijarvi is rather common name of the lake. In Finland there are 121 lakes with the same name. This one is the second biggest.
A:
Natural Place