Mount Ruang

Ruang is the southernmost stratovolcano in the Sangihe Islands arc. It comprises an island 4 × 5 km wide. The summit contains a partial lava dome and reaches some 725 meters (2,379 ft) 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.