The Penobscot Narrows Bridge and Observatory is the crown jewel of coastal Maine, offering spectacular 360-degree views of the Penobscot River and Bay, the Maine countryside and the distant western mountains.

The Penobscot Narrows Bridge and Observatory is located in the heart of midcoast Maine. The bridge spans the Penobscot River, linking the town of Prospect with Verona, just south and a bit downriver from the town of Bucksport.

Maine State Park Season Passholders (Observatory Rates) Please Note: Season passholders get into the Fort for free. The below rates are for admission to the Observatory (which is not included in the park pass).

There are three decks in the observatory offering views in every direction. The elevator stops on the lowest deck, and a stairway leads up to the other two decks. The observatory is fully enclosed in special safety glass, but there is no heat or air conditioning.

The widest cable-supported bridge in the world is the Leonard P. Zakim Bunker Hill Bridge in Boston. But the Penobscot Narrows Bridge has its own claim to fame: the only public observatory bridge in the United States and the tallest in the world!

Located on the west bank of the Penobscot River in Prospect, Maine, in an area known as the Penobscot Narrows, Fort Knox is one of the best-preserved military fortifications on the New England seacoast.

Penobscot Narrows Bridge & Observatory The Tallest Public Bridge Observatory in the World!

Built in record time, the Waldo-Hancock Bridge opened on November 16, 1931, providing a vital link between the inland population of Maine and the international maritime commerce of the coast.

The Penobscot Narrows Bridge and Observatory of structural problems on the 1931 Waldo-Hancock Bridge. Following a se-ries of community meetings to discuss the prob-lems and their possible solutions, the Maine De-partment of Transportation undertook an amaz-ing project of designing and building a replacement bridge with a

Friends of Fort Knox PO Box 456 Bucksport, ME 04416 Please include a $25 check for the nonrefundable reservation fee, made payable to the Friends of Fort Knox. For additional information, including terms and conditions, please view the reservation form: Penobscot Narrow Bridge and Observatory Pavilion Reservation Form