Grafton County, New Hampshire, United States
9.1 miles (14.6 km) · 3,775 ft elevation gain · Loop · trail · Route
The Flume Liberty Loop (NH) is a 9.1 mile route in Grafton County, New Hampshire, United States. The course features 3,785 feet of elevation gain and 3,772 feet of descent. The most significant ascent covers 4.9 miles and gains 2,383 feet. Vertical rate measures 417 feet of gain per mile. Approximately 28% of the route is runnable. The route follows trail surfaces. Technical difficulty: mountainous. This route ranks at the 87.8th percentile for difficulty among similar distances. This loop route attracts trail runners and hikers exploring New Hampshire's mountain terrain.
| Distance | 9.1 mi (14.6 km) |
| Elevation gain | 3,775 ft (1,151 m) |
| Average gain | 416 ft per mile (79 m per km) |
| Longest climb | 3.8 mi, 3,001 ft of gain |
| Steepest climb grade | 112.9% |
| Runnable | 29% of the route |
| Climbs / descents | 1 climbs, 1 descents |
| Profile shape | Up, then down |
| Difficulty score | 15.9 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 6% |
| Mild uphill | 9% |
| Moderate uphill | 13% |
| Steep uphill | 27% |
| Mild downhill | 6% |
| Moderate downhill | 7% |
| Steep downhill | 31% |
Flume Liberty Loop (NH) has 3,775 ft (1,151 m) of elevation gain over 9.1 miles (14.6 km). That averages 416 ft of gain per mile.
The difficulty score for Flume Liberty Loop (NH) is 15.9 of 100. That is harder than 85% of routes at a similar distance. About 29% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Flume Liberty Loop (NH) runs 3.8 miles (6.2 km) and gains 3,001 ft (915 m). The steepest climb grade on the route is 112.9%.
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