Lanyang River

Lanyang River
Lanyang River in Taiwan
Native name	蘭陽溪
Country	Taiwan
Basin features
Main source	Nanhu Mountain 3,536 m (11,601 ft)
River mouth	Pacific Ocean: Yilan 24°42′54″N 121°50′02″E / 24.715°N 121.834°E / 24.715; 121.834Coordinates: 24°42′54″N 121°50′02″E / 24.715°N 121.834°E / 24.715; 121.834
Basin size	978 km2 (378 sq mi)
Tributaries	Left: Yilan River Right: Dongshan River
Physical characteristics
Length	73 km (45 mi)

The Lanyang River (Chinese: 蘭陽溪; pinyin: Lányáng Xī) is a river in northeast Taiwan. It flows through Yilan County for 73 kilometers.