Portland Observatory

Point Of Interest

Contact

138 Congress Street, Portland, Maine

(207) 774-5561

portlandlandmarks.org/observatory

Description

The Portland Observatory is a historic maritime signal tower built in 1807, and is the only known surviving tower of its type in the United States. Using both a telescope and signal flags, two-way communication between ship and shore was possible several hours before an incoming vessel reached the docks.

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Features

Location

Lat: 43.66541 Lng: -70.248274