This family-friendly Meridian destination features the Corkscrew Cavern – Idaho’s first looping water slide. Riders will step into a launching capsule, and then wait for the trap door to drop. Adrenaline kicks in as riders are propelled into a narrow 32-inch enclosed tunnel and instantly accelerate to a top speed of 38 feet per second. General summertime hours are 11 a.m. to 8 p.m. every day of the week. General one day passes for adults are about $30. Discounted prices are available for children and teens.