Italy
Mount Besar (Indonesian: Gunung Besar, means: Big Mountain) is a stratovolcano in the southeast of Sumatra, Indonesia. A minor sulfur deposit can be found in the crater. A big solfatara field called Marga Bayur is located along its north–south-west flanks or the Semangko fault system.
Listen to the audio guide for Mount Besar Free on WIP — starts by itself when you arrive, even with the screen off