Sidmouth Rock


The Sidmouth Rock is a rock islet or small island, located in the Southern Ocean, off the southern coast of Tasmania, Australia. The island is situated approximately south-east of South East Cape and is contained within the Southwest National Park, part of the Tasmanian Wilderness World Heritage Site. An erosional remnant of the Tasmanian mainland with a diameter of, the island is estimated to have separated from the Tasmanian mainland at least 15,000 years ago.

Location and features

The Sidmouth Rock is located approximately east of Eddystone, another islet located off the South East Cape.
The islet is frequently wave-washed and supports no land-dwelling life.

Important Bird Area

Together with the nearby Eddystone and Pedra Branca islets, Sidmouth Rock constitutes the Pedra Branca Important Bird Area, identified as such by BirdLife International because it supports over 1% of the world populations of shy albatrosses and Australasian gannets.