4.0 star · Difficult Out and Back

Fossil Trail Out and Back

Gifford Pinchot National Forest · Cowlitz County, Washington

Trail length

13.2 km

Time

~4 hrs 3 min

Elevation Gain

855 m

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"An epic challenge to remember from the heart of Cowlitz County"

The Fossil Trail Out and Back is a 13.2 km looped trail that starts and ends in Ariel, Cowlitz County, Washington. Based on our data, the trail is graded as Difficult. For information on how we grade trails, please read measuring the difficulty of a hiking trail on hiiker. Also, check our latest community posts for trail updates.

This trail can be completed in approx 5 hrs 27 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.