Home » Videos 2013 Holiday Valley Mudslide Update! View the update video promoting the 2013 Mudslide at Holiday Valley as Gwen goes through what is to come for the annual Mudslide obstacle race at Holiday Valley Resort! Tagged in Summer Adventure Ellicottville Great Valley 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. Request the Enchanted Mountains guide to be snail mailed to you for FREE! Related Events Ellicottville's Summer Music Festival 2022 Ellicottville's Summer Music Festival 2022 Ellicottville's Summer Music Festival 2022 Ellicottville's Summer Music Festival 2022 Ellicottville's Fall Festival 2022