One hotel per budget, picked for its gym, not its lobby. Size, equipment, opening hours and extras, with sources.
Checked: 2026-11-02
Best gym in the city: Balthazar Hôtel & Spa Rennes - MGallery Hotel Collection. 24-hour gym plus a sensory pool area with counter-current swimming and a NUXE spa.
LuxuryBest gym in the city
€316 / nightHotel photo: Booking.com
Balthazar Hôtel & Spa Rennes - MGallery Hotel Collection
★★★★★ · Rennes
24-hour gym described as having modern equipment, plus a pool with hydromassage jets and counter-current swimming, a whirlpool and a NUXE spa.
Hours
Open 24 hours
Extras
Pool with counter-current swimming · Whirlpool · NUXE Spa
Limited information: confirm the gym with the hotel before booking.
We could not confirm a hotel gym in this category.
3 stars or less
How we choose. We look only at the gym: size, free weights and machines, opening hours, extras like a pool or sauna, and what guests say about it. Categories follow the official star rating. Every fact comes from a public source listed under each hotel. Links to Booking.com are affiliate links: if you book, we may earn a commission at no cost to you.