Defy the Laws of Gravity in the mysterious chambers beneath the small roadside gift shop . Guided tour takes approximately 15-20 minutes. First come first serve. It is recommended groups of 20 or more, call for reservations. Souvenirs available in the gift shop. A West Virginia cultural icon. May Hours: Friday, Saturday and Sunday 10:30-5:30. Open Memorial Day 10:30-5:30 June Hours: Daily 10:30-5:30. Closed Tuesday and Wednesday. July Hours: Daily 10:30-5:30. Closed Tuesday and Wednesday. Open 4th of July 10:30-5:30. August Hours: Daily 10:30-5:30. Closed Tuesday & Wednesday. September Hours: Saturday & Sunday 10:30-5:30. Open Labor Day Weekend Friday, Saturday, Sunday & Monday. October Hours: Saturday & Sunday 10:30-5:30. Mystery Hole Gift Shop open same as tour hours. Mystery Hole t-shirts, hats, bumper stickers, shot glasses, coffee mugs, post cards and much more available. We also carry West Virginia souvenirs and other gift items.