Planet Fitness on E 4th St in Ontario, California, is a welcoming spot for all your workout needs. Operating hours are convenient, allowing access from 5 AM until midnight during the week and shorter hours on weekends. It's the kind of place that gives you flexibility, whether you want to hit the gym early or after work.
Planet Fitness (E 4th St)
Ontario, California
Google Rating
1670 E 4th St
Ontario, CA 91764
Ontario, CA 91764
Grand Opening:
Square Feet in Size
Last updated
March 20, 2026
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