The Bhumibol Dam (formerly known as the Yanhi Dam) is a concrete arch dam on the Ping River, a tributary of the Chao Phraya River, in Amphoe Sam Ngao district of Tak Province, Thailand.
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Neighboring districts are (from the northwest clockwise) Tha Song Yang of Tak Province, Omkoi of Chiang Mai Province, Sam Ngao, Ban Tak, Mueang Tak and Mae Sot of Tak Province again and Kayin State of Myanmar.
Neighboring districts are (from the north clockwise) Mae Sot, Mueang Tak, Wang Chao of Tak Province, Ban Rai of Uthai Thani Province, Umphang of Tak Province again and Kayin State of Myanmar.