Home » Gallery » Cross Country Skiing Cross Country Skiing at the Art Roscoe Trail System Here are two trails you could choose to take in the Art Roscoe Trail System in Allegany State Park. The system is the largest in Western New York and located right here in the Enchanted Mountains of Cattaraugus County. This was on a sunny day in December '13. in Skiing Cross Country Allegany State Park Red House Login to post comments 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!