Please answer the following question: Harperrig Reservoir - Harperrig Reservoir is a reservoir in West Lothian Scotland UK to the west of the Pentland Hills four miles south of Mid Calder.The Water of Leith flows through it and nearby are Eliburn and Cobbinshaw Reservoirs. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Natural Place