The Mount Kaputar National Park is a national park located in New South Wales, Australia, surrounding the proximities of Mount Kaputar, a volcano active between 17 and 21 million years ago. It is located east of Narrabri and northwest of Sydney. Millions of years of erosion have since carved the volcanic region into the lava terraces, volcanic plugs, and dykes of Nandewar Range. The central feature of the region is Mount Kaputar, the park's namesake, which rises to an altitude of . The 360 degree view from the summit of the mountain encompasses one-tenth of New South Wales' area or .