Keith Hill Forest is a 139-acre conservation area located in South Grafton. It is managed by the Grafton Land Trust, a nonprofit organization dedicated to preserving and protecting the natural resources of the town. The forest features diverse habitats, including upland forests, wetlands, streams, and vernal pools. It also offers several trails for hiking, biking, and wildlife viewing. Keith Hill Forest is open to the public year-round, from dawn to dusk. Visitors are asked to respect the property and follow the rules posted at the trailhead.

The AllTrails website has a description and map of a hike at Keith Hill Forest.