Home » Videos Holiday Valley's Mudslide Teaser Gwen Bush gives us a run-through of the Mudslide obstacle course race here at Holiday Valley on June 16th. Remember, this is just a teaser! There are more obstacle and surprises coming!Video by Holiday Valley Tagged in Spring Summer Adventure Hiking mud run Ellicottville Login or register 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! Related Events 2018 Southern Tier Corporate Challenge Olean Theatre Workshop presents "Motherhood Out Loud" Southern Tier Symphony's 15th Season Session 3 Friends of Good Music presents Fire and Grace Friends of Good Music presents Windsync!