# Fitness Underground > Powerlifting gym offers 24/7 access with high-quality equipment in a clean, well-maintained space. The atmosphere is welcoming and supportive, with members encouraging each other and curating music playlists. It never feels overcrowded and fosters a strong sense of community. Source: https://www.atly.com/location/FitnessUnderground - Address: 1410 E Foothill Blvd Suite JK, Upland, California, United States - Phone: +19099216908 - Website: http://fitnessundergroundofficial.com/ - Google rating: 4.9 (58 reviews) ## What it is good for - Personal Training — 10/10 - Gyms — 10/10 - Weight Lifting Gym — 9.5/10 ## What people say - "The weight lifting gym is super clean and the equipment is great." - "This gym is super clean and the equipment is well taken care of." - "My shoulder and back pain is gone thanks to personal training." ## Good to know - The gym offers 24/7 access with a key fob for members. - The equipment is well maintained and regularly updated. - The gym is always clean and well taken care of. - There is a great variety of lifting equipment available. - Social events and healthy meal access are organized for members. ## 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.