The Xiuguluan River () is the seventh-longest river in Taiwan with a total length of . It is located in the southeastern part of the island. It flows through the Huadong Valley before emptying into the Pacific Ocean in Fengbin, Hualien.
The Xiuguluan is the largest river in eastern Taiwan. It rises on the eastern side of Mabolasi Mountain (on the border with Taitung County) and flows through Xiuguluan Mountain before draining into the Pacific Ocean. Ciporan Island is located in the river's mouth.
Over 30 species of fish have been found in the river.
The river is known for its many rapids and has become a prime destination for rafting, especially on a section from Rueisuei Bridge to the Changhong Bridge.
There are five major tributaries, listed here from mouth to source: