Fort Knox and Bridge Observatory are Currently Closed for the Season!

2020 Regular Operating Hours 

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July 1 thru August 31 - Fort Gate, Visitor Center and Observatory open 9am to 6pm 

                     Fort remains open until 7pm   

                          Fort Grounds open 9am to sunset

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September 1 thru October 31 - Fort and Observatory open 9am to 5pm 

                                    Fort remains open until 6pm                  

                          Fort Grounds open 9am to sunset

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Please visit the Events Pages for details on dates and activities!

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2020 Entrance Fees

Fort only entry: Children (5-11yo) - $2.50

- Maine Residents Adults (12-65) - $4.50, Seniors (65+) - Free,

- Nonresident adults - $6.50, Nonresident Seniors - $3.00

Fort and Observatory entry: Children (5-11yo) - $5.00

- Maine Resident Adults (12-65) - $7.00, Seniors (65+) - $2.50

- Nonresident adults - $9.00, Nonresident Seniors - $5.50

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Call 207-469-6553 or email for inquiries.