Aimee D.
10/28/2025
Love mountainside fitness especially the classes. Chantel Griswold is super friendly and helpful with any needs or questions.
Mountainside Fitness Peoria
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(121)
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9745 W Happy Valley Rd
Peoria, AZ 85383
Mountainside Fitness is the largest locally owned fitness center chain in Arizona, boasting 21 locations throughout the Phoenix area. Known for its state-of-the-art amenities, interactive childcare, and a wide variety of group fitness classes, it provides an all-inclusive fitness destination for individuals and families alike.
The facilities offer extensive services, including personal training, stretch therapy, and full-service locker rooms with saunas. With a commitment to community involvement and member satisfaction, Mountainside Fitness is consistently recognized as one of the best fitness centers in Phoenix.
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Reviews
4.0121 reviewsAnge R.
10/31/2025
Chantel G made my experience exceptional! Her customer service is outstanding, and she's always ready to help whenever you need anything.
Shannon K.
10/28/2025
Chantel Griswold was a delight. She has wonderful customer service and was very eager to help. Such a joy!!!
Atul S.
7/28/2024
My wife goes here so have accompanied her a few times. Overall has a decent collection of equipment. The gym is spacious and has all the amenities that you may need. Depending on which staff you...
Dawn N.
8/26/2024
Aloha Hawaiians, If you're looking for a dance workout look no further than Dance Fusion with Michelle Gregorio. I know there is the apprehension of being new to a dance class, not knowing what...
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