Long San Waterfall is situated approximately 50 meters from the bank of Belayan River. From the bank of Mahakam River at Long San area, the visitors can see the beauty of waterfall. Long San Waterfall has many levels with a height of approximately 100 meters. To reach the Long San Waterfall location, visitors can through the river by motor boat or long boat with a mileage of less than 10 minutes from Tabang District.