# Central Rock Gym > Rock climbing gym offers a huge bouldering wall and a bright, well-lit space with natural and artificial light. The atmosphere stays collaborative and friendly, attracting climbers of all levels who enjoy varied routes and community vibes. Busy afternoons and evenings bring a lively energy, while extras like yoga classes and free chalk add to the experience. Source: https://www.atly.com/location/CentralRockGym15 - Address: 20 Brattle St, Cambridge, Massachusetts, United States - Phone: +16177143024 - Website: https://centralrockgym.com/harvard-square/ ## What it is good for - Cool — 10/10 - Bouldering — 7.9/10 - Yoga Class — 7.5/10 - Climbing Gym — 7.5/10 - Gyms — 7.2/10 - Rock Climbing Gym — 7.1/10 - Fun Activities — 7.1/10 - Yoga Spot — 7.1/10 ## What people say - "The rock climbing gym has a huge bouldering wall with lots of routes." - "The gym staff here are really friendly and helpful." - "The yoga classes here are always packed and fill up fast." ## Good to know - Expect high prices for climbing sessions and memberships, with a recent 70% increase. - The gym hosts nightly yoga classes, providing a peaceful alternative to climbing. - Climbing routes can be crowded, leading to wait times for access. - You need to buzz in to enter the gym, but clear signage is available. - The weight area is limited, lacking sufficient equipment for a full workout. ## 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.