A hilltop historic park topped by the Prospect Hill Memorial Flag Tower, the site where the first Grand Union Flag was raised on January 1, 1776; ground-level access only, with the tower interior closed to visitors.
What to expect
Entry fee
None; free to enter checked Jul 15, 2026
Dogs
A dog off its owner's or custodian's premises is at large unless it is on a chain or leash no longer than six feet, or inside a vehicle or boat, or inside a posted off-leash area and following that area's posted rules. The Commissioner of…
Hours
Park open on foot 24/7; vehicle access road 10 AM-7 PM
Accessibility
Renovation project explicitly targets ADA accessibility improvements; ground-level areas accessible, tower interior closed to the public
Managed by
City of Somerville Parks and Recreation Department
617-625-6600 x2980 · WebsiteWhat's here
On site
Restroom
Ground level near the tower
Worth knowing
- Formal name is the Prospect Hill Memorial Flag Tower and Observatory; George Washington ordered the first Grand Union Flag raised here on January 1, 1776.
Common questions
Is there an entry fee at Prospect Hill Park?
None; free to enter
Can I bring my dog to Prospect Hill Park?
A dog off its owner's or custodian's premises is at large unless it is on a chain or leash no longer than six feet, or inside a vehicle or boat, or inside a posted off-leash area and following that area's posted rules. The Commissioner of Public Works may post a park, playground or schoolyard No…
Is Prospect Hill Park wheelchair accessible?
Renovation project explicitly targets ADA accessibility improvements; ground-level areas accessible, tower interior closed to the public
What rules should I know at Prospect Hill Park?
Tower interior is closed to the public; access limited to ground level for safety reasons.