The Reef Indoors

The Reef Indoors

Largest Indoor Water Park in Montana!


Address: Big Horn Resort, 1801 Majestic Lane, Billings

Address: Montana, 59102, United States

Telephone: 4068399300

Locate on map : Locate on map

Website: Visit Website

Opening Hours: Thu-Fri: 4:00 pm to 9:00 pm, Sat-10:00 am to 9:00 pm, Sun-10:00 am to 7:00 pm, Mon-Wed: Closed





Montana's largest indoor water park, the Reef located at The Big Horn Resort in Billings near Zoo Montana. With six water slides, a wave pool, play structure, activity pool, whirlpool, concessions and arcade the Reef is the perfect place for a birthday party or family get-together.The greatest interactive playhouse designed for little guys such as slides, mini-tubes, squirt guns, and tunnels. 

Tables surround The Reef, indoors and outside on the enclosed patio, there is plenty of space for families to gather.   



  • Indoor Water Park
  • Birthday events
  • Family and Friends gatherings
  • Advertisement

    I loved the reef! It was so much of fun! The slides were so amazing, and he was the best part of the water park. Great for families and little kids but has fun for adults as well. Highly recommended for any trip to Billings!!

    Sunny Daley :    17 Jan 2017   

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