Mountainside Fitness Centers

Nestled in Phoenix, AZ, Mountain Fitness has been one of Phoenix’s leading fitness destinations since 1991. With 16 locations all across the Valley and over 80,000 club members, Mountain Fitness is the ideal fitness community. We strive to provide our members value through our group fitness classes, state-of-the-art equipment, clean facilities, towel service, and more. Plus, we know how challenging it can be to juggle childcare and working out—that’s why we have interactive childcare with plenty of entertainment to keep them busy playing while you work out. As the largest Phoenix-owned-and-operated fitness center in the Valley, our mission is to have a positive impact on our clients’ lives by providing the highest-quality fitness services possible. Visit us at mountainsidefitness.com to register your membership today, or try your first 5 days free!