Skyline Trail, Middlesex Fells (MA)

Middlesex County, Massachusetts, United States

7.1 miles (11.4 km) · 956 ft elevation gain · Loop · trail · Route

Skyline Trail, Middlesex Fells (MA) covers 7.1 miles across Middlesex County, Massachusetts, United States. Runners face 956 feet of climbing with 972 feet of loss. Elevation gain averages 144 feet per mile. The course is 76% runnable, with the remainder requiring hiking on steep or technical sections. Trail comprises the majority of the course. The course features very hilly terrain. The course difficulty of 8.4 puts it in the top 42.76% of challenging routes at this distance. Popular among trail runners and hikers seeking Massachusetts adventures.