Nymboi-Binderay is a national park in New South Wales, Australia, 444 km north of Sydney. It is located north of the town of Dorrigo.
This park surrounds the granite gorges and banks of the rugged Nymboida River. The Nymboida rapids are used by white water rafters. The park also contains sections of the Little Nymboida River and recreational areas at Cod Hole and The Junction. Rainforest and extensive old growth forest provide habitat for a variety of threatened fauna. It includes patches of the rare Dorrigo white gum.