Things To Do In Antioch, CA May 5, 2013

Black Diamond Mines - We'll visit a prominent ranching family's homestead and take in sweeping Delta views on this steep 3-mile hike at the preserve's northern end. Meet at park office. Parking fee: $5 No registration required; Drop-in only. Blac...

BLACK DIAMOND REGIONAL PARK - Explore the underground through a guided tour and learn its history, geology, and the methods used to mine sandstone. Tours are 90 minutes. The 10am mine tour is available to groups of 10 or more by advance reservation. Phon...

BIG BREAK - Join us every Saturday and Sunday to track the health of the Delta! Each day we will test for a different criteria, recording the water quality changes that affect our ecosystem.Click the Link below for directions to the program. Meet at the Big...

BIG BREAK The Delta reveals wonders to those willing to seek it! Join us every Saturday and Sunday in May & June to discover the hidden world of Big Break through games, activities, and explorations. Please call the Big Break Visitor Center to learn which wo...