PROFIL Map;  Google Map link (*only for information); Name: Mountain Hela Toba; Helatoba-Tarutung Note: Helatoba from hela (tapanuli word), which means is son-in-law. Helatoba active volcano is a type of Fumarole where there are 43 points that emit hot-water and there are 7 points that remove bursts of sulfur in the path along the 40 km. geothermal