Phu Sing is part of the Kala Rainforest National Reserved Forest, Phu Sing Forest and Dong Si Chompoo Forest. It is under the supervision of the Department of National Parks, Wildlife and Plant Conservation, located close to Phu Thok. There is a prominent attraction that is Hin Sam Wan, a large sandstone cliff jutting out. It is a beautiful viewpoint, and can watch the morning mist in winter. It is also a nature trail that is rich and diverse. At present, there are many tourists traveling to Phu Sing.