Two national parks are located in the province. Namtok Chet Sao Noi protects 28 km² around a scenic waterfall. Phra Puttachai protects the Khao Sam Lan Forest, which consists of hilly landscape and is the source to several rivers and waterfalls. The highest elevation is the Khao Khrok at 329 m. The 44.57 km² were declared a national park in 1981.