Middlesex County, Massachusetts, United States
24.5 miles (39.5 km) · 184 ft elevation gain · Loop · trail · Route
Nashua River Rail Trail (MA, NH) covers 24.5 miles across Middlesex County, Massachusetts, United States. Runners face 184 feet of climbing with 181 feet of loss. Vertical rate measures 11 feet of gain per mile. The course is 100% runnable, with the remainder requiring hiking on steep or technical sections. Trail comprises the majority of the course. Technical difficulty: mostly flat. This route ranks at the 7.53th percentile for difficulty among similar distances. Popular among trail runners and hikers seeking Massachusetts adventures.
View full route intelligence, elevation profile, terrain analysis, and pacing advice.
View Full Route Details →