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Mountainside Fitness

4.3

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Location details

20250 N 75th Ave, Glendale, AZ, 85308, 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.
4.3833 reviews
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Dri N.'s profile image
Dri N. 
rating
9 years ago

Mountainside Arrowhead location is ok. Its still new and nice looking. Staff in the open hour is great evening is whatevers but im not there to be thier friend so saying hi or not i could careless. Cleanliness is whatever its a gym its going to get dirty. As long as the bathrooms are clean thats fine. I started out going after work around 1600-1700 but now i refuse to go during that time. It gets ridiculously packed with dumb asses who dont know how to work out, socialize, babysit the machine, on the damn phones while on t... read more

Holly E.'s profile image
Holly E. 
rating
9 years ago

The music is so loud I have to blast my headphones and I can STILL hear the techno/remix playing. The only place to stretch is along a main walkway and amongst equipment that is crammed too close together. Forget about getting a spot during peak times. For the money I pay to workout here I expected a better experience. 

Andrew L.'s profile image
Andrew L. 
rating
9 years ago

I had tried a 5 day free membership early and thought the gym to be pricey but the amenities worthwhile. So I bought my membership at Costco for $109 for 3 months which is still pretty pricey comparatively to LA fitness. Coming in on nice Monday morning at 9 AM to get my membership card but had to wait over 35 minutes just to the card!! I had already paid for it online and the process of input my info and signing my waiver took less than 5 minutes. When I walked in I notice two representatives working at the membership desk.... read more

Chad D.'s profile image
Chad D. 
rating
9 years ago

i love this gym. however i just switched to the arrowhead country club. i can no longer tolerate the terrible music being blasted out of the speakers at mountainside. there is not a single person in this gym that pays to come here to listen to the music they play. serious athletes should not have to blast music out of their own headphones in order to attempt to drown out the commercial nonsense coming out of the speakers. look around the gym. everyone has headphones!!!! some people don't like listening to music when they wor... read more

Marcy B.'s profile image
Marcy B. 
rating
9 years ago

Mountainside fitness is a fantastic gym! The staff at the arrowhead location are so friendly. I was lucky enough to have Jordan G as my personal trainer. He is by far the best trainer I have worked with! His knowledge of fitness and nutrition is exceptional and he has a great personality! I highly recommend Jordan if anyone is looking for personal training! You will not be disappointed! 

Dallas A.'s profile image
Dallas A. 
rating
9 years ago

This place has a great location right off the Loop 101 and 75th Avenue. The staff here are on point and very friendly. The layout of these location is one of the best I've seen in a Mountainside Fitness. I like how the Cardio doesn't face the machines and free weights like most gyms do. It takes the whole meet market feeling out of the atmosphere. The places seems to be pretty well laid out. The only think is they need more leg machines. And a standing Calve machine. They never have enough or the right pulley attachments. Th... read more

Alex I.'s profile image
Alex I. 
rating
9 years ago

When Mountainside was founded, the motto was "the friendliest gyms in town" and they definitely are! The staff at this location are always so friendly. I'm always promptly greeted by a staff member with a smile and great attitude. I've been to many gyms where the people checking you don't say a word to you and often times put the scanner on the counter as to have customers check themselves in. I've never seen this at any of the Mountainside Fitness locations and not that the others don't have great staff, but I definitely th... read more

Barbie C.'s profile image
Barbie C. 
rating
9 years ago

Been going for two weeks now. This gym is wonderful!! People are super nice and the classes are amazing!! My only critique is that I believe the childcare is extremely understaffed. In the mornings dozens of babies crying on the floor and a line out the door waiting to drop off more babies and kids with only a handful of care takers. I just signed a membership with childcare but will be dropping the childcare part until this gets better. You can tell the ladies are overwhelmed and cannot possibly properly watch so many at on... read more

Em J.'s profile image
Em J. 
rating
9 years ago

As a previous member of 24 hour fitness and LA fitness.. Let me just tell you.. This gym blows them clear out of the water. Not only is the equipment new and the entire place spotless, but you get free towel service both hand towels AND shower towels!! This is so big for me because I usually shower at the gym especially if I go before work. AND they have hair dryers in the women's locker room, body lotion, and q tips. You can pay extra for the "executive lockers" where you get your own name plate on it, and can leave your st... read more

Frequently asked questions about Mountainside Fitness

How is Mountainside Fitness rated?

Mountainside Fitness has a 4.3 star rating with 833 reviews. 

When is Mountainside Fitness open?

Mountainside Fitness is open now. It will close at 11:00 p.m.