Castle Rock Park

Pickleball players in Billings, MT often head to Castle Rock Park, a 25-acre public green space in Billings Heights where the tennis courts double as informal courts for the sport. The park is free to play, open 24 hours every day of the week, and rated 4.4 out of 5 across 294 reviews. Visitors note that while the park does not formally designate or support dedicated pickleball facilities, the courts remain accessible and the overall grounds are well-maintained. Beyond the courts, the park's broad amenity list—restrooms, shaded picnic areas, a playground, a seasonal sprayground, water access, and dog-friendly grounds—makes it a practical stop for players bringing families or pets along for the outing.