Fitness Underground
A place to put in the work.
This private facility specializes in powerlifting and strength training, offering members 24/7 key fob access. It features high-end equipment like specialty barbells, heavy-duty machines, and competition-grade combo racks. Reviewers frequently praise its uncrowded atmosphere, strict weight organization, and strong gym etiquette. Beyond the lifting floor, the facility includes premium amenities such as an infrared sauna, private showers, on-site meal prep vending, and physical therapy support.
What you’ll find here
- Vending Machine
- Cold Plunge
- Sauna
- Showers
- Posing Room
- Turf Area
- Powerlifting Equipment
Hours
All times are local to the gym.
| Day | Open |
|---|---|
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
Where you’ll train
1410 East Foothill Boulevard, Upland, CA, 91786, United States
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Get in touch
fitnessunderground2017@gmail.comSomething missing? Let Guest Pass know.
Own or manage this gym? Claim this listing.