High Quality Content by WIKIPEDIA articles! Challenger Glacier is a tidewater glacier on the north side of Heard Island in the southern Indian Ocean. Located 1 nautical mile (2 km) east of Baudissin Glacier, Challenger Glacier is 0.8 nautical miles (1.5 km) wide and flows into the eastern side of Corinthian Bay, close west to Saddle Point. To the east of Challenger Glacier is Downes Glacier, whose terminus is located at Mechanics Bay, between Saddle Point and Cape Bidlingmaier. To the west of Challenger Glacier is Baudissin Glacier, whose terminus is located at the western side of Corinthian Bay, near Sealers Cove.