Sumatra, Indonesia
3.850 N, 97.664 E
summit elevation 2245 m
Shield volcano
Kembar volcano is located 115 km NW of Medan, indonesia's third largest city. The Gayolesten fumarole field is located on the flank of Kembar volcano.
Further reading
Neumann van Padang, M., 1951. Catalogue of the Active Volcanoes of the World, Including Solfatara Fields, Indonesia.
Fumarolic activity is present at the volcano.