Sapun Waterfall is located in the area of Khun Nan National Park in the Bo Kluea district of Nan province. This medium-sized waterfall is formed by the Sapun River and consists of three tiers, with heights of approximately 3, 5, and 6 meters respectively. Water flows continuously throughout the year, creating a stunning natural sight. The surrounding forest around the waterfall is lush and serene, rich with beauty that enhances the overall charm of this picturesque location.