Observatory: 138 Congress Street
Portland Maine 04101
Office: 165 State Street
Portland Maine 04102
207-774-5561
www.portlandlandmarks.org
The Portland Observatory (1807) is the only remaining historic maritime signal tower in the country. Located at the top of Munjoy Hill, the Observatory is open from Memorial Day weekend through Columbus Day.
The Observatory is operated by Greater Portland Landmarks, a nonprofit organization dedicated to preserving and enhancing Portland’s architectural integrity through advocacy, education, research, and preservation projects. Landmarks encourages historic preservation, excellence in contemporary design, and thoughtful planning for the future.
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