Goulburn River National Park is in New South Wales, Australia, 213 km northwest of Sydney and it is 35 km south-west of Merriwa. The Goulburn River National Park is located in the Hunter Valley region and covers approximately 90 km of the Goulburn River. It is near the towns of Sandy Hollow, Denman, Merriwa, and Mudgee.
The park is a sanctuary for kangaroos, wombats, emus, goannas, platypus, and a wide variety of birds. It lies within the Mudgee-Wollar Important Bird Area, so identified by BirdLife International because of its importance for the endangered Regent Honeyeater.