The Morris–Jumel Mansion or Morris House also known as the Roger and Mary Philipse Morris House, "Mount Morris" and Morris–Jumel Mansion Museum is a Federal style museum home in northern Manhattan with mid-eighteenth century roots. It was built in 1765 by Roger Morris, a British military officer, and served as a headquarters for both sides in the American Revolution.
Located at 65 Jumel Terrace, in Roger Morris Park in the Washington Heights neighborhood of Manhattan, New York City, it is the oldest house in the borough. The home and grounds were purchased as a museum home in 1903 and declared a National Historic Landmark in 1961. The exterior was designated a New York City Landmark in 1967, with the interior following in 1975.