長河灣（工程用名：碧河花園）是位于北京市海淀區西直門外的花園式高端住宅小區。總建筑面積約為30.5萬平方米，由A區14萬平方米、B區8.9萬平方米和市長大廈7萬平方米構成。
Changhewan (project name: Pitt River Garden) is a garden style high-end residential district locating in Beijing Xizhimen. The total construction area of this project is about 305,000 square meters; with Area A of 140,000 square meters, Area B of 89,000 square meters and Mayors Plaza of 70,000 square meters.
