Upper Coos Recreational Rail Trail Activities and Amenities This 10 mile trail travels along the ‘wild and scenic’ Conneticut River from Colebrook to Beecher Falls. Open to ATVs/OHRVs. No trail bikes permitted. Parking Areas Parking is available in Colebrook at the Town Parking Lot off of Main Street, OR, behind Lemieux’s Garage on Main Street. Organizations that work with the Bureau of Trails to help maintain this trail are: Colebrook Ski Bees Metallak ATV Club