Ruak River

The Ruak River (Thai: แม่น้ำรวก, RTGSMaenam Ruak, pronounced [mɛ̂ː.náːm rûa̯k]; Northern Thai: Lanna-river-Ruak.png) is a right hand tributary of the Mekong. The mouth of the Ruak river is at the Thai-Burma border opposite Laos, a spot known as the "Golden Triangle", a popular tourist destination.

Ruak River
Golden Triangel at Amphoe Chiang Saen.jpg
View of the confluence of the Ruak river with the Mekong
Native nameแม่น้ำรวก
CountryMyanmar and Thailand
Physical characteristics
 • locationDaen Lao Range, Shan Hills
 • location
Mekong at Ban Sop Ruak, Chiang Saen District
 • coordinates
20°21′16″N 100°4′57″E / 20.35444°N 100.08250°E / 20.35444; 100.08250Coordinates: 20°21′16″N 100°4′57″E / 20.35444°N 100.08250°E / 20.35444; 100.08250
 • elevation
366 m (1,201 ft)
Basin features
 • rightMae Sai River


The Ruak originates within the hills of the Daen Lao Range, Shan State (Burma), and becomes the boundary river between Thailand and Burma at the confluence with the Mae Sai River near the northernmost point of Thailand.[1] It then meanders eastwards until it empties into the Mekong River at Ban Sop Ruak, Tambon Wiang, Chiang Saen District, Chiang Rai Province. The boundary section of the river is 26.75 kilometres (16.62 mi) long.

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