The Khao Luang Mountain Range, with its four main peaks: Khao Phu Kha, Khao Phra Mae Ya, Khao Chedi, and Pha Narai, lies within the Ramkhamhaeng National Park in the south of the province. Si Satchanalai National Park is in the northwest, protecting the mountainous forest areas of the Phi Pan Nam Range at the northern end of the province.