evidence: Stung Treng Province: A Bounty of Life along the Magnificent Mekong River - [...] Stung Treng Province, located in northern Cambodia just south of the border of Lao PDR, is an area rich in natural resources, with more forests, wildlife, minerals, and aquatic species than any other province. The Mekong River flows over the Lao border to meet the Sekong River in the provincial town of Stung Treng, where the river joins with the Sesan and Srepok rivers.