OPEN MATC CORRIDOR MONITORING ASSIGNMENTS (Updated 11/13/24) Section 25a. Elliotsville Town Line to Long Pond Stream. This is State-owned land, not surveyed by the National Park Service. Monitoring involves just walking the A.T. and observe conditions along the way. Section 27. Little Wilson Falls to Leeman Brook Lean-to. This is a long (6.92 miles) section that does not involve significant climbing but includes some rough terrain.  Section 34. Horseshoe Canyon Lean-to to Marble Brook. This 5.03-mile section lies on both sides of the West Branch of the Piscataquis River, so monitoring requires crossing the river. All of the section lies […]