Huai Nam Duk
Watercourse in Phetchabun Province, Thailand
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Huai Nam Duk (Thai: ห้วยน้ำดุก, pronounced [hûa̯j náːm dùk]) is a watercourse in Phetchabun Province, Thailand. It is a tributary of the Pa Sak River, part of the Chao Phraya River basin.