Grater Woods and Pond Parish are two large parcels of land that are owned by the town's conservation commissions. Grater Woods is a 600-acre parcel located in Merrimack and abuts Pond Parish, which is a 174-acre parcel in Amherst. These trails systems offer a wide variety of fun and challenges. The trails range from rocky double ATV trails or twisty single track. There are 20+ miles of trails to be ridden.