National Park Service Trail Ratings



Numerical Rating: less than 50

A hike that is generally suitable for anyone who enjoys walking. Mostly level or with a slight incline. Generally, less than 3 miles.



Numerical Rating: 50-100

A moderate hike is generally suitable for novice hikers who want a bit of a challenge. The terrain will involve a moderate incline and may have some steeper sections. Generally, 3 to 5 miles.


Moderately Strenuous

Numerical Rating: 100 –150

Moderately Strenuous hikes will generally be challenging for an unconditioned person. The terrain will involve a steady and often steep incline. Generally, 5 to 8 miles.



Numerical Rating: 150-200

Strenuous hikes will challenge most hikers. The hike will generally be longer and steeper, but may be deemed "Strenuous" because of the elevation gain. Generally, 7 to 10 miles.


Very Strenuous

Numerical Rating: greater than 200

Only well-conditioned and well-prepared hikers should attempt very strenuous hikes. The hike will generally be long and steep, and may include rock scrambling, stream crossings, and other challenging terrain. Generally, 8 miles and over.


Average Pace is:

1.5 miles per hour for easiest trails.
1.4 mph for moderate trails.
1.3 mph for moderately strenuous trails.
1.2 mph for strenuous and very strenuous trails.

This is hiking time and does not take into consideration fitness, exploration, rest, contemplation, etc.