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. Selset Reservoir - Selset Reservoir is a reservoir in County Durham England. It is situated in the Lune Valley which is a side valley of the River Tees about 5 miles (8 km) west of Middleton-in-Teesdale. It supplies water for Teesdale and is owned by Northumbrian Water. It was built in 1960 and its main use (apart from water supply) is sailing.
A:
Natural Place