Mastin Drive Open Space is a 14-acre parcel owned and managed by the Southeast Land Trust of New Hampshire, a nonprofit organization dedicated to conserving and stewarding natural and cultural resources in the region. The property features a network of trails that provide access to diverse habitats, including wetlands, woodlands, and open fields. The trails are open to the public for hiking, biking, birdwatching, and other low-impact recreational activities. Mastin Drive Open Space is a valuable asset for the community, as it offers opportunities for environmental education, wildlife observation, and outdoor enjoyment.

Access to the Mastin Drive Open Space is at the Mastin Road crossing of Folletts Creek.