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Central Rock Gym - Harvard Square
4.4 ★★★★☆ 122 Google reviews · Climbing gym in Cambridge, Massachusetts
Indoor climbing destination also offering yoga & fitness classes.
Plan your visit
- Gear rental nearly every climbing gym rents shoes (~$5–8 typical) and chalk; harness rental is often bundled with a ropes pass
- Waiver always required at climbing gyms — sign it online before you go to skip the front-desk line
- First timer? bouldering needs zero experience — rent shoes and walk in; staff will point you at the easiest problems
- Auto-belays mentioned here — clip in and climb ropes solo, no partner needed
- Yoga & fitness mentioned alongside the climbing — ask about the class schedule and what a pass includes
- Ages 0–18 — the gym's own stated range
- Memberships available — worth asking about if you'd climb more than a few times a month
- Today see hours ·
- Phone (617) 714-3024
- Website centralrockgym.com
Hours
| Monday | 6 AM–10 PM |
| Tuesday | 10 AM–10 PM |
| Wednesday | 10 AM–10 PM |
| Thursday | 10 AM–10 PM |
| Friday | 6 AM–10 PM |
| Saturday | 9 AM–7 PM |
| Sunday | 9 AM–7 PM |
What's inside
“The boulder sets were pretty good but not great, the mats were quite stiff and there weren’t a ton of down holds but overall it was a good experience”
“Free chalk to use, gym, equipment, and cardio equipment.”
What climbers say again and again
“Yoga room and limited weights.”
“Staff was so friendly and great!”
“Also there’s a community chalk bag which was sweet.”
From the reviews
The routes use very different skills, like crimps, foot balancing on a slab, dynamic moves, slopers, etc. This wide range of settings was really nice. The gym is very spacious and there are many routes with levels varying from VB to V10 (I didn't pay much attention to the high level though).
Great gym located right by the T stop. Staff are very nice. There are different level bouldering routes.
Did Cambridge/Boston need another climbing gym? Not really. But with their H square location, CRG finally filled a much needed niche of "convenient via the T" climbing in the area. Per usual, setting is creative, the space is beautiful (but packed during the afternoons). Yoga room and limited weights.
Phenomenal bouldering, Location large number of problems of varying difficulty from beginner to expert. Free chalk to use, gym, equipment, and cardio equipment. Parking is difficult to find but aside from that great location.
Birthday parties at Central Rock Gym - Harvard Square
Central Rock Gym - Harvard Square hosts birthday parties — confirmed on their own site. Climbing parties come with staff who handle the harnesses and belaying, so parents can mostly watch. One thing that's different here: every guest needs a signed waiver — send the gym's waiver link to the other parents when you send invites, or check-in day gets slow. Packages, party rooms, and pricing change often, so check the current options and book ahead — weekend slots go fast at popular gyms.
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Indoor climbing destination also offering yoga & fitness classes.