Theres two places you can park if you pull down close to the quarry you can park there or at the entrance where you first start to go in
There is parking where You go in. Sometimes it's full and you'll have to get creative.. But mostly I usually find a spot in the actual parking area. The beauty of the place and the feel your further from the city than you really are... It's worth the small bother of parking.
Drive down to Hawthorne and Augustus go over tracks and keep driving the gravel road till you get to the closest parking lot.
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