Heart Pond (also known as Hart Pond, Baptist Pond or Baptist lake) is a great pond located in the southwestern corner of Chelmsford, Massachusetts. The pond borders the town of Westford, Massachusetts. The pond has a surface area of 91 acres and a maximum depth of 20 ft. The pond is a warm water fishery and is a popular fishing spot in the town containing Largemouth bass, Black Bullhead, Chain Pickerel, White and Yellow perch as well as Sunfish.