OPEN MATC CORRIDOR MONITORING ASSIGNMENTS (Updated 6/29/25) 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 in the valley cut by the West Branch so there is some side-hill walking. Section 35. Marble Brook to the Outlet of Bald Mountain Pond. This section is easily accessible from the Breakneck Ridge Road […]