The Cambewarra Range Nature Reserve, as part of the Kangaroo Valley Group of Nature Reserves, is a protected area located on the cliffs and plateaus of the Kangaroo Valley in the Southern Highlands and South Coast regions of New South Wales in eastern Australia. The Reserve is situated approximately 150 kilometres (93 mi) south of Sydney, 50 kilometres (31 mi) southwest of Wollongong and 16 kilometres (9.9 mi) northwest of Nowra. The Reserve has a total area of 1684 hectares, and includes 11 privately owned properties. It is critical for it to be pristine for a variety of reasons, not the least the catchment of water, as the Reserve floor flows into the Kangaroo Valley River and the Shoalhaven River, from which the Sydney Water Authority draws water to supply large populations in Sydney and Wollongong.
Established in 2001, the Reserve is ecologically representative of the local Shoalhaven area, which is home to temperate rainforest and threatened species; such as the Brush-tailed rock-wallaby and the apex predator, the tiger quoll. It has a protective covenant placed on it, with the ultimate purpose to ensure the protection of the natural heritage of the area.In 2003, Devils Glen, Red Rocks and Black Ash Nature Reserves were amalgamated into Cambewarra Range Nature Reserve. This is now a part of the Kangaroo Valley National Parks, consisting of the smaller refuges of Kangaroo River, Cambewarra Range, Barrengarry and Rodway Nature Reserves, which are covered by the Southern Regional Forest Agreement. The Illawarra-Shoalhaven subtropical rainforest occurs in the reserve.
Kangaroo valley is part of a system of conservation reserves, which includes Kangaroo River Nature Reserve and Barrengarry Nature Reserve. National parks in the area including the Morton National Park, Budderoo National Park and Barren Grounds Nature Reserve.