Home » Facts Rockin' The Enchanted Mountains of Cattaraugus County is Home to 3 outcroppings of rocks, with the largest outcropping of Quartz Conglomerate Rocks at Rock City Park being the largest in the world; Little Rock City State Park and Thunder Rocks at Allegany State Park Email this page Travel Guide It's a full 56-page comprehensive guide, highlighting the activities and attractions in our County. Request the Enchanted Mountains guide to be snail mailed to you for FREE!