Home » Facts Ranked one of the Best Ski Resorts Holiday Valley Resort ranked #3 on Ski Magazine's 2015-16 best in the East list! It has 58 day slopes, 37 night slopes and 13 high tech lifts. It also has been the training ground for Olympic ski competitors. in Winter Skiing Cross Country Skiing Down Hill Snowboarding Snow Tubing Ski Magazine ranks Ellicottville Great Valley 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! Related Events Aaron Lewis at The Seneca Allegany Resort and Casino Aaron Lewis at The Seneca Allegany Resort and Casino Aaron Lewis at The Seneca Allegany Resort and Casino Aaron Lewis at The Seneca Allegany Resort and Casino Aaron Lewis at The Seneca Allegany Resort and Casino