AllTrails
Best Trails in Las Trampas Regional Park
Las Trampas Regional Wilderness offers 5,342 acres of wilderness and an expanded trail system that allows hikers and horseback riders to enjoy its remote and rugged areas. The park's size and terrain allow visitors a feeling of privacy and escape from urban hustle and bustle. Carry plenty of drinking water. Two major Bay Area faults--the Las Trampas and Bollinger faults--account for the uplift and exposure of four well-defined geological formations. The Orinda formation holds remnants of ancient beach and shoreline. The El Sobrante formation consists of several fossil-bearing compressed rock layers. The Pinole Tuff is of volcanic origin. Hours: Jan 1 - Feb 13: 8am - 5:30pm Feb 14 - Mar 8: 8am - 6pm Mar 8 - May 20: 8am - 7pm May 21 - Sep 3: 8am - 8pm Sep 4 - Nov 1: 8am - 7pm Nov 2 - Dec 31: 8am - 5:30pm
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