Ruang is the southernmost stratovolcano in the Sangihe Islands arc, North Sulawesi, Indonesia. It comprises an island 4 by 5 kilometres wide. The summit contains a partial lava dome and reaches some 725 metres in altitude. From its summit, Klabat's peak in the south, that of Siau to the north, and Ternate to the east can all be seen. From Wikipedia
