0.0 star · Extra Difficult Out and Back

Spiral Knob via Clark Kerr Trail

Alameda County, California

Trail length

6.8 km

Time

~2 hrs 6 min

Elevation Gain

455 m

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

The Spiral Knob via Clark Kerr Trail is a 6.8 km looped trail that starts and ends in Berkeley, Alameda County, California. Based on our data, the trail is graded as Extra 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 3 hrs 3 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.