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 and it's FREE!! View the visitor's guide online or request that the Enchanted Mountains guide be snail mailed to you for FREE!