Penobscot Narrows Bridge & Observatory

The Tallest Bridge Observatory in the World!

207-469-6553 |

Rates and Hours

Observatory Hours

  • May 1 to June 30: 9 AM to 5 PM
  • July 1 to August 31: 9 AM to 6 PM
  • Sept 1 to Oct 31 : 9 AM to 5 PM

**Fort Knox is open from May 1 through October 31 from 9 AM to sunset.

Special Events

Rent the
Pavillion
Group
Tours

There is no limit to the time you can spend in the observatory, but please understand that there are others waiting to visit.

Admission to Observatory and Fort

Note: Children 4 and under are free.
Ticket Type Maine Resident Non-Resident
Adults 12 & older $6.00 $8.00
Seniors (65 plus) $2.50 $5.00
Children 5 – 11 $4.00 $4.00

Fort Only Admission Rates

Note: Children 4 and under are free.
Ticket Type Maine Resident Non-Resident
Adults 12 & older $4.00 $5.50
Seniors (65 plus) Free $2.50
Children 5 – 11 $2.00 $2.00

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).

** If you are a Maine resident and 65 years of age or older, you are admitted free with proof of age; no park pass is needed.

Ticket Type Maine Resident Non-Resident
Adults 12 & older $2.75 $2.75
Seniors (65 plus) Free $2.50
Children 5 – 11 $2.00 $2.00