Gunung Sewu Geopark or Sewu Mountains (Indonesian: Pegunungan Sewu) is a series of mountains stretching along the southern coast of Gunung Kidul Regency, Yogyakarta and Wonogiri Regency of Central Java, to Pacitan Regency of East Java in the island of Java, Indonesia. This is a national Geopark, which is also a member of Global Geopark Network (GGN), recognized by UNESCO in 2015