🏋️ Official Rankings
10 Best Gyms in Franklin, NH (September 2026)
We compared 10 gyms serving Franklin and Merrimack County, New Hampshire, and ranked the top providers by verified reviews, ratings, and local reputation — 974 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by 603 Karate. Updated for September 2026.
- Gyms ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 974
- Area code
- 603
⭐ 5.0 · 87 reviews
61 Summer St, Northfield, NH 03276
⭐ 5.0 · 84 reviews
12 Rowell Dr, Franklin, NH 03235
⭐ 4.9 · 82 reviews
120 Laconia Rd Ste 201, Tilton, NH 03276
⭐ 5.0 · 35 reviews
120 Laconia Rd Ste 222, Tilton, NH 03276
⭐ 4.8 · 25 reviews
570B Laconia Rd, Tilton, NH 03276
⭐ 4.6 · 65 reviews
880 Central St, Franklin, NH 03235
⭐ 5.0 · 8 reviews
88 Central St, Franklin, NH 03235
⭐ 4.5 · 558 reviews
75 Tilton Road, NH-140, Tilton, NH 03276
Gyms listed here serve Franklin, Merrimack County, and nearby ZIP codes including 03235.