A large DCR reservoir park straddling Hopkinton and Ashland, with swim beach, non-motorized boat launch, picnic pavilions and multi-use trails. The main office and most-cited entrance sit on the Hopkinton side off Cedar Street.
What to expect
Entry fee
$8 MA-registered vehicles, $30 non-MA, charged mid-May to Labor Day
Dogs
Allowed caged, bridled, or on a leash or tether no longer than ten feet, unless an area is posted otherwise; never unattended or at large, and waste must be carried out. Hunting, hunting-dog training, dog sledding, sled-dog training and…
Hours
10:00am-6:00pm in summer operating season (shared operating pattern with Ashland State Park)
Accessibility
Accessible pavilions and bathhouse reported; not independently verified in full detail
Swim
Allowed lifeguarded in summer season
Fishing
Allowed open season
Managed by
DCR, shared staff with Ashland State Park
508-435-4303 · WebsiteWhat's here
On site
Restroom
Bathhouse near swim beach
Common questions
Can you camp at Hopkinton State Park?
No, the park does not permit camping or overnight stays; it is day-use only.
Is there an entry fee at Hopkinton State Park?
Yes, $8 MA-registered vehicles, $30 non-MA, charged mid-May to Labor Day
Can I bring my dog to Hopkinton State Park?
Allowed caged, bridled, or on a leash or tether no longer than ten feet, unless an area is posted otherwise; never unattended or at large, and waste must be carried out. Hunting, hunting-dog training, dog sledding, sled-dog training and search-dog training are excepted (302 CMR 12.13).
Is Hopkinton State Park wheelchair accessible?
Accessible pavilions and bathhouse reported; not independently verified in full detail
What rules should I know at Hopkinton State Park?
No motorized boats at the car-top launch.