The Reef Indoor Water Park

1801 Majestic Lane
Billings, MT 59102

406-839-9283

The Reef Indoor Water Park is Montana’s largest indoor water slide facility. Race down one of our three-story slides or ride an inner-tube in our wave pool. Enjoy refreshments at the concession stand or play games in the arcade. Don’t worry Mom and Dad – while the kids are splashing, you can be relaxing in our 25-person hot tub.

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