0.0 star · Medium Loop

Castle Rock, Sunset Trail, China Wall and ADT Loop

Contra Costa County, California

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Trail length

20.1 km

Time

~1 day 0 hrs

Elevation Gain

1030 m

"A wonderous hike from the heart of Contra Costa County"

The Castle Rock, Sunset Trail, China Wall and ADT Loop is a 20.1 km looped trail that starts and ends in Walnut Creek, Contra Costa County, California. Based on our data, the trail is graded as Medium. 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 7 hrs 35 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.