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Mountainside Fitness

4.2

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Location details

9745 W Happy Valley Rd, Peoria, AZ, 85383, United States

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WeekdayScheduleStatus
Mon4:30 a.m. to 11:00 p.m.
Tue4:30 a.m. to 11:00 p.m.
Wed4:30 a.m. to 11:00 p.m.
Thu4:30 a.m. to 11:00 p.m.
Fri4:30 a.m. to 9:00 p.m.
Sat6:00 a.m. to 9:00 p.m.
Sun6:00 a.m. to 9:00 p.m.
4.2639 reviews
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Brandon S.'s profile image
Brandon S. 
rating
7 months ago

This gym is great! I love all of the amenities! At the membership cost it's a great value! Always clean with friendly staff! 

Nicole M.'s profile image
Nicole M. 
rating
7 months ago

I really enjoy the atmosphere and the friendly staff at this gym. The childcare hours are excellent, making it convenient for parents. Highly recommend! 

Monica S.'s profile image
Monica S. 
rating
7 months ago

Loving the remodel, and good variety of classes to choose from! The front desk is always so friendly and welcoming! 

Sai Sanjith M.'s profile image
Sai Sanjith M. 
rating
8 months ago

Fire gym- I've been coming here for 3 years. The equipmrnt is very nice and so are the people around. I love this gym, it's like a second home to me. I've been coming here everyday after school. I used to get bullied and the gym helped me boost my confidence and become a better person overall. 

Debbie P.'s profile image
Debbie P. 
rating
2 years ago

I've been working out at Mountainside Fitness Peoria for a year and a half and I'm still loving it! Staff is welcoming and friendly. Personal trainers are knowledgeable and thorough. Fitness instructors are energetic and inspiring! Today, I want to highlight three of my fav fitness instructors, BRITNEY J, JACQUELYN W, and STEFANIE W! These fabulous women bring their own, unique teaching styles letting their individual personalities shine through as they guide us on our individual fitness journeys! Each instructor is so enc... read more

Marisol R.'s profile image
Marisol R. 
rating
3 years ago

This gym has ALL the amenities! Spin, yoga, classes, cross fit, every weight you could imagine, a full snack/smoothie bar, theater, chiro on site, i could go on and on! If it's about fitness, it's here! Their staff is super friendly and personable. And their merch is CUTE! Whether you want this to be your home gym or a place you stop in on a trip, you'll be glad you did! 

Bhanu K.'s profile image
Bhanu K. 
rating
3 years ago

I am giving a shout out to Sarah Rogers at Mountainside Fitness. She was super helpful in setting up my membership. Folks, reach out to her for signing up and she is fantastic. 

John W.'s profile image
John W. 
rating
7 years ago

My favorite gym out of a couple different locations I've been to. The gym layout is perfect. Staff is always friendly and the place is always nice and clean. 

Ron R.'s profile image
Ron R. 
rating
3 weeks ago

Corporate structure is predatory and does everything and its power to make it difficult for people to cancel memberships. Beware of training contracts as if you ask to cancel training they may have you sign a hold document instead and then immediately start charging your card again after the 30 day hold expired. Three months of training charges occurred on my credit card and when I ask for a refund, none was forthcoming. 

Frequently asked questions about Mountainside Fitness

How is Mountainside Fitness rated?

Mountainside Fitness has a 4.2 star rating with 639 reviews. 

When is Mountainside Fitness open?

Mountainside Fitness is open now. It will close at 9:00 p.m.