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Antioch Guide

  • Walking tours (2)
  • Before You Go
EveryTrail
Black Diamond Mines Park From First Parking Lot
Black Diamond Mines Park From First Parking Lot

This is a simple, short hike, appropriate for beginners and perhaps kids. Most of the uphill occurs in the first half mile. After the first mile, it's pretty much all downhill.

Black Diamond Trail Loop
Black Diamond Trail Loop

The hills of Black Diamond Mines Regional Preserve east of Concord, California, have been returned to their natural state, making them ideal for hiking, birdwatching and other outdoor adventures.

It...