Cape Pillar  Cape Pillar is a location in southern Tasmania, on the Tasman Peninsula in the Tasman National Park, adjacent to Tasman Island. It is notable as a coastal feature of the Dolerite landscape of the area. It has been captured in illustrations as early as 1824  and later   It is the location of a rare casuarina Allocasuarina crassa. It has been an area where whales have been sighted   It is a reference point on the coast for mapping by Australian navy hydrographic service