The “friendliest gym in town” and the largest locally owned health club in Arizona, Mountainside Fitness is expanding and opening its 12th location near the Loop 101 and 75th Avenue in Glendale in early November.

Join Mountainside Fitness at Arrowhead for an Open House Preview Party on Saturday, November 7th from 9 a.m. to 4 p.m.  Enjoy FREE food, entertainment, prizes, a rock-wall and a giant inflatable obstacle course all while celebrating West Valley’s hottest new place to work out.  Check out the new facility, the latest innovative workout equipment and why more than 50,000 members call Mountainside home. 

Mountainside Fitness, which is also celebrating its 25th year in business is proud to offer guests more than 80 group fitness classes, state-of-the-art child-care, complimentary towel service and no enrollment fees.

“We are so proud to be celebrating our 25th year in business with a brand new facility right here at Arrowhead and this will certainly be one our most beautiful locations yet,” said Tom Hatten, Mountainside Fitness CEO and founder.  “We hope everyone will come out and spend the day with us.  Whether you are losing weight, training for a triathlon, or looking for an oasis to relieve stress, Mountainside has amenities that are sure to please everyone.”

Mountainside Fitness at Arrowhead is located off the Loop 101 at 20250 N. 75th Avenue in Glendale, Arizona 85308. To get more information visit or call 1.866.MTN.FITT.