Two Hummock Island is an ice-covered island, 9.4 kilometres (6 mi) long in a north-south direction, conspicuous for its two rocky summits Buache Peak and Modev Peak 670 m (2,198 ft) high, lying 9.6 kilometres (6 mi) southeast of Liege Island and 11.5 kilometres (7 mi) east of Brabant Island in the Palmer Archipelago.