Carrai National Park - This park, sitting high on an isolated forest plateau, has a great variety of ecosystems. It protects populations of threatened species, including the Hastings River mouse, rufous scrub-bird and spotted-tailed quoll.

Cascade National Park - The Cascade National Park of subtropical and warm temperate rainforest, covers an area of approximately 3620 hectares, surrounding the village of Cascade.

Chaelundi National Park - Chaelundi National Park features old-growth forest which supports threatened fauna over an area of 10,125 hectares.

Clyde River National Park - This park includes approximately 9 km of river frontage on the peaceful Clyde River. It features a range of habitats, including mangrove communities.

Conjola National Park - Conjola and Cudmirrah National Parks are adjacent coastal parks on the South Coast of New South Wales featuring extensive forests by beautiful lakes and estuaries with large areas of woodland and heath featuring masses of wildflowers in spring.

Coolah Tops National Park - Waterfalls plunge from the plateau heights in this spectacular park.

Coorabakh National Park - Three prominent volcanic intrusions known as Big Nellie, Flat Nellie and Little Nellie dominate the park.

Cottan-Bimbang National Park - This park crosses the Oxley Highway south of Werrikimbe National Park and was formerly state forest.

Culgoa National Park - This is a park where you can sit under the shade of a coolibah tree and do a spot of birdwatching or gaze at mobs of kangaroos and emus on the open grass plains.

Cunnawarra National Park - World Heritage park with dramatic gorges and waterfalls, extensive wilderness, wild and scenic rivers, dry rainforest and rare plants and animals.