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 9AM to 6PM, and open until 7PM from July 1 through October 31. Park grounds are open year-round from 9AM to sunset..
Special Events
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 | $7.50 | $9.50 |
| Seniors (65 plus) | $3.00 | $6.00 |
| Children 5 – 11 | $5.50 | $5.50 |
Fort Only Admission Rates
Note: Children 4 and under are free.
| Ticket Type | Maine Resident | Non-Resident |
|---|---|---|
| Adults 12 & older | $4.50 | $6.50 |
| Seniors (65 plus) | Free | $3.00 |
| Children 5 – 11 | $2.50 | $2.50 |
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).
| Ticket Type | Maine Resident | Non-Resident |
|---|---|---|
| Adults 12 & older | $3.00 | $3.00 |
| Seniors (65 plus) | $3.00 | $3.00 |
| Children 5 – 11 | $3.00 | $3.00 |
