Charlton Heritage Preservation Trust is a group of conservation minded individuals working to encourage the preservation of critical open space and unique natural resources in Charlton, Massachusetts. Founded in 1999, CHPT exists primarily to protect the natural beauties and rural character of the town of Charlton, MA. CHPT is a 501(c)3 non-profit charitable land trust with an Agreement and Declaration of Trust on file with the Worcester Registry of Deeds.