The Conway Branch is a 21 mile trail spanning from Rt. 28 in Ossipee to West Main Street in Conway that has many different areas of interest. Parking Areas Rt. 28 Ossipee White Lake State Park Organizations that work with the Bureau of Trails to help maintain this trail are: Cotton Valley Rail Trail Club Mountain Meadows Snowmobile Club Ossipee Valley SMC Scrub Oak Scramblers