“Yalong River or Ya-lung River: River, Sichuan province, S China. It rises in mountains at an elevation of nearly 16,500 ft (5,000 m) in Qinqhai province and flows into the Chang River on the Yunnan border. It is 822 mi (1,323 km) long. It is torrential for most of its course and is unnavigable.”
Excerpted from: Stevens, Mark A., Ed. Merriam Webster’s Collegiate Encyclopedia. Springfield, Massachusetts: Merriam-Webster, 2000.