# Mountainside Fitness Happy Valley > Sprawling complex with high ceilings and modern equipment creates an open, airy workout space. Atmosphere combines positive energy with a welcoming vibe, attracting a diverse crowd. Amenities include a kids club, steam room, sauna, and massage chairs, supporting both utility and comfort. Source: https://www.atly.com/location/MountainsideFitnessHappyValley - Address: 2501 W Happy Valley Rd Suite 30, Phoenix, Arizona, United States - Phone: +16026014747 - Website: https://mountainsidefitness.com/locations/happy-valley/?utm_source=GMB&utm_medium=Local&utm_campaign=HappyValley&utm_content=WebsiteLink ## What it is good for - Smoothies — 10/10 - Kid Friendly — 9.6/10 - Gyms — 9.4/10 - Personal Training — 9.3/10 - Weight Lifting Gym — 7.3/10 ## What people say - "The staff at this gym are so friendly and helpful." - "The kids club staff truly cared about my children's experience." - "My personal training helped me fix and improve my form." ## Good to know - The gym opens at 4:30 a.m. for early risers. - Childcare services are available, making it convenient for parents. - Expect limited opening hours on weekends. - A cancellation fee applies if you don't cancel your membership in advance. - The gym is generally clean and well-maintained. ## 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.