Sports & Recreation · Sunday, November 1, 2026
Black Diamond Mines Trails Challenge Hike
About
A guided 5.2-mile loop with 1,266 ft of climbing through Black Diamond Mines, one of the District's Trails Challenge routes. Sunday Nov 1, 9 am–1 pm from the upper parking lot, 5175 Somersville Rd, Antioch (drive/park); ages 12+, registration required (code 60472), fee not published. A good way to tick off a Trails Challenge hike with a naturalist instead of solo.
Good to know
Date & timeSunday, November 1, 20269:00 AM
WhereBlack Diamond Mines Regional Preserve5175 Somersville Rd, Antioch, CA 94509Black Diamond Mines Regional Preserve
PriceFee not published in the guide · registration required
CheckedBy a person against the venue's own listing, Oct 21, 2026How we verify
#hiking#nature#outdoor
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