Gate 37 is one of the access points to the Wachusett Reservoir situated on the eastern shore of the reservoir, near the town of Clinton. It offers views of the water and the surrounding hills, as well as opportunities for fishing, boating, hiking, and wildlife watching. The gate is open from sunrise to sunset.

Wachusett Reservoir, along with the Quabbin Reservoir and Ware River, is an unfiltered source of high-quality water for the Massachusetts Water Resources Authority water supply system. The 65-billion-gallon reservoir covers 108 square miles with 37 miles of shoreline. Recreational activities are regulated and limited to protect 3 million people’s drinking water.