Portland Observatory
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| Address | 138 Congress St, Portland, ME 04101, United States |
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| Opened | 1807 |
| Hours | Closed ⋅ Opens 10AM |
| Phone | +1 207-774-5561 |
| Designated NHL | February 17, 2006 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2434262 |
About Portland Observatory
The Portland Observatory is a historic maritime signal tower at 138 Congress Street in the Munjoy Hill section of Portland, Maine. Built in 1807, it is the only known surviving tower of its type in the United States.
Where is the Portland Observatory
Click on the photo of Portland Observatory to view it on Google Maps.
