Gyms & fitness in Walnut, CA
28 gyms & fitness listed in Walnut, California. 27 with a phone number and 26 with a website.
Walnut accounts for 0% of the gyms & fitness listed in California and ranks #223 among California cities for gyms & fitness.
Walnut, CA has 28 gyms & fitness listed on USA Business Search. 27 list a phone number and 26 list a website. The most listings are in ZIP codes 91789.
Updated October 2026FitMotionLab
24 Hour Fitness
ASD Scuba Diving School
Mt SAC Gym Exercise Science And Wellness Center
BLVCK BOX
Active Sport & Fitness
Ayso Region 624 Walnut
Body Flex Sports, Inc.
Built by Intention
Campus Basketball
City of Walnut Community Services
CrossFit Insurgent Walnut
CrossFit Unum
Curves for Women
Fitness and Mindset
GYM XT
King Kang Baseball Academy
Lagree & Co.
MT SAC Cross Country Course
Mt. SAC Pool
NSD Power US/Yahigh LLC
One Love Fit Club, Walnut
SteppingStone Bootcamp
Summit Water Polo
The Clubhouse Batting Cages
Walnut Youth Softball
洛杉矶潜水
How to choose a gym in Walnut
- Ask for a free trial or day pass before you sign.
- Read the cancellation terms before you join.
- Visit at the time you plan to work out to see how busy it gets.
Medical weight loss and GLP-1 care in Walnut: what to ask
- GLP-1 medicines such as semaglutide and tirzepatide are prescription-only. A licensed prescriber should review your health history and any labs.
- Ask whether the medication is an FDA-approved brand or a compounded version, and which pharmacy fills it.
- Ask for the full monthly cost in writing: visits, medication, shipping and follow-up.
- Ask how side effects are monitored and how often you will check in with a clinician or dietitian.
See the medical weight loss guide for providers by state.
Common questions
How many gyms & fitness are listed in Walnut, California?
USA Business Search shows 28 gyms & fitness in Walnut. 27 list a phone number and 26 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 91789.
How do I choose a gym in Walnut?
Ask for a free trial or day pass before you sign. Read the cancellation terms before you join.
How do gyms & fitness in Walnut compare with the rest of California?
Walnut has 0% of the 23,875 gyms & fitness listed in California, which ranks #223 among California cities for this category.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.
Do I need a prescription for GLP-1 weight loss in Walnut?
Yes. Semaglutide and tirzepatide are prescription medications, and a licensed provider decides whether they are appropriate for you. Telehealth programs such as Elevation Health (featured) review your intake from home.
