Cape Liddon is an uninhabited headland on Devon Island in the Qikiqtaaluk Region of Nunavut, Canada. It is located on the southwestern coast of the island at Radstock Bay.
The habitat is characterized by open sea, rocky marine shores, and Silurian limestone coastal cliffs that rise to an elevation of 300 m (980 ft) above sea level . It is 3.5 km (2.2 mi) in size.
The cape is a Canadian Important Bird Area (#NU059), an International Biological Program site (Region 9, #2-15) and a Key Migratory Bird Terrestrial Habitat Site. Notable bird species include black guillemot and northern fulmar.[1]