O’Pong Moan is a natural canal in O’Pong Moan village, O’Pong Moan commune, Stung Treng district, about 9 kilometers south of Stung Treng provincial town. The canal gets its water from the ground, about 50 kilometers from the site. The water from the canal flows into a lake that is popular for fishing and swimming. Resting cottages are available for rent along the canal. There is also a small power plant nearby that provides 10 kilowatts of electricity per hour.