Guyu Lake is by Donglongchang County in Neijiang City, about 2 kilometers (1.2 miles) from the town. It is a medium-sized artificial lake built in the 1970s. The scenic area includes the Geese Cave Waterfall, the Ancient Group of Archways, Yunfeng Pass, Yunding Village, Yunding Field, Shengdeng Mountain and Guyu Lake. There are many islands and peninsulas at Guyu Lake. In winter, it becomes a paradise for migrating birds. Many people come here to birdwatch.