Tuanjiehu Park (Tuanjie Lake Park) is located in Chaoyang District. The park covers an area of 277 acres and 67 acres of the lake. In 1958, Tuanjiehu Park was built following the Jiangnan style residential gardens. The name "Tuanjie" means "united", which represents the feat people made with their efforts together to build this park.

Tuanjiehu Park is home to downtown Beijing's best and most hygiene-conscious water park, which is great fun on weekdays but crowded on weekends. Tuanjiehu also features a roller-skating park, several rides and boats.

Beach: RMB 20, RMB 15 (kids).

Pleasure boats: RMB 30-60/hr, RMB 50-100 (deposit).

Roller-skating: RMB 5 (entrance), RMB 10 (skate rental).

Address: No. 16 Tuanjiehu Nanli, Chaoyang District 北京市朝阳区团结湖南里16号