 Rock X

Rock X () is a prominent offshore rock 0.4 miles (0.6 km) long, lying close inside the east side of the entrance to Victor Bay, 1 mile (1.6 km) northwest of Gravenoire Rock, on the Antarctic coast.It was photographed from the air by U.S. Navy Operation Highjump, 1946–47, and charted by the French Antarctic Expedition under Marret, 1952–53.