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Soar Above Maine: Visit the World’s Tallest Bridge Observatory at Penobscot Narrows

  • Writer: Gerry Caron
    Gerry Caron
  • 2 hours ago
  • 4 min read

Soaring 420 feet above the Penobscot River, the Penobscot Narrows Bridge and Observatory is one of Maine’s most remarkable landmarks.

Experience the Penobscot Narrows Bridge & Observatory: Visit the World’s Tallest Bridge Observatory

Soaring 420 feet above the Penobscot River, the Penobscot Narrows Bridge and Observatory is one of Maine’s most remarkable landmarks. Taller than the Statue of Liberty and offering breathtaking 360-degree views of the Penobscot Bay, river valley, and western mountains, it’s a must-visit for sightseers, history buffs, engineers, and anyone who appreciates record-breaking design and natural beauty.


Located in Prospect, Maine, this award-winning cable-stayed bridge features  the World’s Tallest Bridge Observatory — one of only four globally! The observatory rises 42 stories into the air, making it the highest publicly accessible structure in Maine. With interpretive exhibits, panoramic photo ops, and adjacent attractions like Fort Knox, this site offers a full day of learning, discovery, and fun.


🌉 Why Visit the Penobscot Narrows Bridge & Observatory?


  • Tallest Bridge Observatory in the World – At 420 feet, it offers unmatched views.


  • 360° Panoramic Views – Spot the river, bay, nearby islands, mountains, and historic towns.


  • Engineering Marvel – An innovative cable-stayed design that has won multiple awards.


  • Educational Experience – Interpretive displays on natural history, engineering, and regional culture.


  • Granite Tribute – The bridge and observatory honor Maine’s granite-quarrying history.


  • Family-Friendly Attractions – Picnic tables, grills, pavilion rentals, and photo-worthy scenery.


🏛 Explore More: Fort Knox Historic Site

Right next door to the observatory is Fort Knox, one of the best-preserved military fortifications on the New England coast. Built in the 1800s, this granite fortress invites exploration, photography, and even ghost tours in season.


🕘 Hours of Operation


Observatory

  • May 1 to June 30: 9 AM – 5 PM

  • July 1 to August 31: 9 AM – 6 PM

  • Sept 1 to Oct 31: 9 AM – 5 PM


Fort Knox

  • May 1 to October 31: 9 AM – 6 PM

  • July 1 to October 31: Open until 7 PM

  • Note: Park grounds open year-round from 9 AM to sunset.


🎟️ Admission Prices


Observatory + Fort Knox Combo Tickets

  • Adults (12+): $7.50 (ME residents), $9.50 (non-residents)

  • Seniors (65+): $3.00 (ME), $6.00 (non-residents)

  • Children (5–11): $5.50 (all)

  • Children 4 and under: FREE


Fort Only

  • Adults (12+): $4.50 (ME), $6.50 (non-residents)

  • Seniors (65+): FREE (ME), $3.00 (non-residents)

  • Children (5–11): $2.50


Maine State Park Pass Holders (Observatory Only)

  • Adults, Seniors, Children: $3.00


🗺️ Location

Address: 711 Fort Knox Rd, Prospect, ME 04981

Phone: (207) 469-6553


📸 Fun Facts

  • One of only four bridge observatories worldwide (others in China, Thailand, and Slovakia).

  • Designed with local granite and historic symbolism, including ties to the Washington Monument.

  • Opened in just 42 months—a feat in modern civil engineering.

  • Features a bronze compass rose based on a map by explorer Samuel de Champlain.


🗓️ Plan Your Trip

Whether you're traveling from Bar Harbor, Bangor, Bucksport, or Belfast, the Penobscot Narrows Bridge & Observatory is an unforgettable stop along Maine’s midcoast. Great for a day trip, family outing, or even a wedding backdrop, this attraction combines natural beauty, local history, and architectural wonder.

Nearby resources:



📣 Event Rentals & Group Tours

Planning a group visit or a private event? The site includes a covered pavilion, ideal for reunions, weddings, school trips, and special celebrations. Contact staff directly to arrange tours or book the space.

For more details and event planning info, visit: https://fortknoxmaine.com


🚗 Final Word

With awe-inspiring views, rich local history, and a unique claim to fame, the Penobscot Narrows Bridge & Observatory is a must-see destination in Maine. Don't forget your camera—and your sense of wonder!


What to Do in Moosehead Lake Region & Beyond

Want more information? Check out our Moosehead News for the latest updates on seasonal events, local news, and detailed guides to make the most of your visit to the Moosehead Lake region.

  • ATV/Snowmobile:: Explore thousands of miles of pristine wilderness.

  • Boating/Canoeing/Kayaking: Explore the lake's serene waters.

  • Camping/Swimming: Find the best campsites for a wilderness retreat.

  • Fishing/Hunting: Discover prime fishing spots.

  • Hiking/Biking: Explore the wilderness.

  • Skiing/Sledding/Snowboarding/Snowshoeing: Miles of cross-country ski trails for those seeking a quieter adventure. Ski and snowboard rentals, plus lessons for beginners.

  • Local Attractions/Sightseeing: Learn about must-see sights in the region.


  • Stay updated with the latest happenings and news in the Moosehead Lake region. Learn more about what to do and where to go in the Moosehead Lake area and beyond.


Perfect Accommodation for Your Visit

Look no further for the perfect accommodation during your visit to the Monson, Shirley, Greenville, Rockwood, and Jackman areas of Maine. Moose River Lookout offers an idyllic retreat nestled along the serene Moose River at the base of the majestic Blue Ridge Mountains in Rockwood.


Ultimate Outdoor Getaway

With direct backyard access to Maine's Interconnected Trail System (ITS66) and a private dock on the river, adventure awaits right outside your door. Whether you're into hiking, golfing, boating, fishing, hunting, skiing, or snowmobiling, you'll find it all just steps away from our doorstep.


Book Your Stay

Experience the ultimate outdoor getaway in the heart of Maine's natural beauty. For inquiries or to make a reservation, please don't hesitate to contact us. We look forward to welcoming you to Moose River Lookout, lodging Rockwood Maine, on Moose River with access to Moosehead Lake and Mt. Kineo!


Looking at a moose at the top of Mt Kineo from Moose River










A must-visit for sightseers, history buffs, engineers, and anyone who appreciates record-breaking design and natural beauty.

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