Black Diamond Trail and Manhattan Canyon Trail Loop
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8.4 km
~2 hrs 28 min
476 m
Loop
The Black Diamond Trail and Manhattan Canyon Trail Loop is a 8.4 km looped trail that starts and ends in Antioch, Contra Costa County, California. Based on our data, the hike 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 hike can be completed in approx 2 hrs 29 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.
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