Hopkinton-Everett Reservoir Access offers multiple boat launch facilities managed by the U. S.

Army Corps of Engineers, including Elm Brook Park (a day-use area with a cartop facility and boat ramp), Elm Brook Boat Ramp, and Hopkinton-Everett Boat Ramp on Routes 9/202.

Elm Brook Park features amenities including a swimming beach, picnic areas with shelters, fishing dock, playground, and a 1. 5-mile interpretive hiking trail, with day-use fees required ($5 per vehicle).

The reservoir is one of New England's largest flood control projects and offers diverse recreational opportunities including boating, fishing, and paddling, though visitors should note the park operates limited weekend hours and may close seasonally due to flooding.