Yalong

Yalong or Ya-lung (both: yä'lūng'), river, c.800 mi (1,290 km) long, rising in the Kunlun Mts., S Qinghai prov., W China, and flowing S across W Sichuan prov. to the Chang River near the Yunnan border. It flows through deep gorges and is one of the Chang's longest tributaries.