Outdoor & Wilderness

Trail Difficulty Calculator

Using the Shenandoah Trail Difficulty Rating formula, this calculator combines distance and elevation gain to give you a standardized difficulty score. The formula: √(elevation gain in feet × 2 × distance in miles). Useful for planning hikes appropriate to your fitness level.

Trail Distance

Units

Total Elevation Gain

Units

Trail Type

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Score: —

Score	Rating	Description
0–50	Easiest	Flat, paved, or gentle grades. Suitable for all.
51–100	Moderate	Some hills. Good fitness helpful.
101–150	Moderately Strenuous	Significant elevation. Solid fitness required.
151–200	Strenuous	Steep grades, long distance. Experienced hikers.
200+	Very Strenuous	Expert level. Requires preparation and conditioning.