World Top 3 islands ranked by their highest point

1. Mount Ruapehu, North Island

Mount Ruapehu is an active stratovolcano on North Island. At 9,177 feet (2,797 m), Ruapehu is North Island's highest point—and the largest active volcano in New Zealand.

2. Mount Fogo, Fogo

Fogo, in the Cape Verde archipelago, is a hotspot volcanic island. Mount Fogo, an active stratovolcano, rises 9,281 feet (2,829 m) above sea level. It marks the island's, and the country's, highest point.

3. Mount Shishaldin, Unimak Island

Alaska's Unimak Island is home to Mount Shishaldin, a moderately active volcano that summits at 9,373 feet (2,857 m) to make it the island's highest point.