# Weight lifting gyms in Ontario > Heavy lifting requires a space where the equipment is ready and the focus is clear. Source: https://www.atly.com/united-states/california/ontario/best-gyms-weight-lifting-gym ## Places (5) ### 1. APE ARENA Gym offers a supportive community with a welcoming atmosphere that encourages consistency and progress. Flexible hours accommodate busy schedules, and machines measure results to track fitness journeys. The environment feels safe and structured, fostering motivation and challenge. - Address: 205 W Holt Blvd, Ontario, CA 91762, USA - Atly: https://www.atly.com/location/APEARENA1 ### 2. THE GYM Ontario Fitness center offers dim lighting and full surround sound, creating a fresh, motivating atmosphere. Advanced machines and ample space attract serious, focused individuals. Open 24/7 with clean, well-maintained facilities and a positive vibe throughout. - Address: 130 W G St, Ontario, CA 91762, USA - Atly: https://www.atly.com/location/THEGYMOntario ### 3. The Camp Transformation Center Gym space feels like a family-oriented community with a positive, encouraging atmosphere. Workouts are intense and varied, supported by energizing music and welcoming members of all fitness levels. - Address: 3450 Ontario Ranch Rd Suite #3, Ontario, CA 91761, USA - Atly: https://www.atly.com/location/TheCampTransformationCenter19 ### 4. 24 Hour Fitness Spacious gym with newly renovated layout and premium equipment including many machines and free weights. Bright, clean atmosphere with welcoming energy and a strong basketball scene. Pool and recovery amenities add variety, though it closes earlier than the name suggests. - Address: 2580 S Archibald Ave, Ontario, CA 91761, USA - Atly: https://www.atly.com/location/24HourFitness88 ### 5. Planet Fitness Spacious gym with new equipment and a clean, well-maintained layout. Atmosphere is calm with moderate music volume and generally uncrowded spaces allowing easy access to machines. Security presence in the parking lot adds a sense of safety despite some external concerns. - Address: 1670 E 4th St Ste D, Ontario, CA 91764, USA - Atly: https://www.atly.com/location/PlanetFitness56 ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.