Horton Falls National Park CCA Zone 1 is 260 hectares. The boundaries of the national park are straight lines based on cadastral boundaries rather than landscape features. The Part 11 lands comprise 40 hectares. The park includes part of the bed of Horton River and a number of other smaller creeks and tributaries.
The park is located within the administrative areas of Anaiwan Local Aboriginal Land Council, North West Local Land Services and Tamworth Regional Council.