长河湾（工程用名：碧河花园）是位于北京市海淀区西直门外的花园式高端住宅小区。总建筑面积约为30.5万平方米，由A区14万平方米、B区8.9万平方米和市长大厦7万平方米构成。

　　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.