Gold Rush Indoor Waterpark is a 60,000-square-foot year-round indoor water attraction located at Double JJ Ranch Resort in Rothbury, Oceana County, Michigan. The facility offers Western Michigan's tallest indoor waterslide alongside a lazy river, wave pool, water fort, toddler pool, hot tubs, water basketball, and family rides such as the Thunder Canyon and the Miner's Plunge cannon bowl slide. The waterpark maintains a consistent 84-degree indoor temperature, making it a popular escape in all seasons. Double JJ Ranch surrounds the waterpark with extensive resort amenities including miles of horseback riding trails, an Arthur Hills-designed golf course, snow tubing slopes, cross-country skiing, and sleigh rides in winter. Arcade games, glow golf, and varied dining options add to the all-inclusive resort experience, making it an ideal family destination in west-central Michigan.