The Davis Scrub Nature Reserve is a protected nature reserve that is located in the Northern Rivers region of New South Wales, Australia. The reserve is a sub tropical rainforest remnant of the Big Scrub and is situated at above sea level on an undulating high rainfall plain near .
The red-brown soil is derived from a basaltic flow from the nearby Mount Warning. Significant rainforest tree species include Moreton Bay fig, black bean, white booyong, red bean, and purple cherry. A large Moreton Bay fig dominates the rainforest horizon.
The reserve is located at an altitude of 165 meters.