Cool off at the Back Forty Swimming Hole, an outdoor waterpark featuring a waterslide, two pools, a splash pad & hot tub!  Cactus Jacks is located in the waterpark offering beer, mixed drinks & a variety of cool freshments.  This park is open to the public and is located in the Back Forty, 2 miles south of the Frontier.  

Opens Memorial Weekend


The Back 40 Water Park 2020 season pass is here! For $125 for a family of 4 ($35 for each additional person), you’ll receive unlimited access to our Back 40 Water Park for the summer during normal operating hours.* Visit our guest service center to have your photo taken for your very own membership card!

$10 – Swimming Hole Outdoor Waterpark ONLY 
$25 – Gold Rush Indoor Waterpark PLUS Swimming Hole Outdoor Waterpark 

(under 3 yrs free)

10:00 am – 9:00 pm (Monday-Saturday) 10 am – 5 pm (Sunday) (weather permitting, including thunderstorms and temperatures below 60 degrees) – The Swimming Hole Outdoor Waterpark (Back Forty)

10:00 am – 9:00 pm (daily) – Cactus Jack’s Pool Bar (Back Forty Pool Bar)

11:00 am – 9:00 pm (Sun-Thurs- Kitchen & Bar) / 11 am – 9 pm (Kitchen) 11 am – 11 pm – (Bar) (Friday-Saturday)- Shooters Bar & Grill (Back Forty)