The DoubleTree by Hilton Cambridge Belfry is a gym hotel that provides top-notch fitness amenities. The hotel's gym features a range of exercise equipment, including treadmills, ellipticals, and weight machines. Guests can also enjoy the hotel's indoor swimming pool and spa facilities for a refreshing post-workout experience. With its comfortable accommodations and convenient location, the DoubleTree by Hilton Cambridge Belfry is a great choice for fitness enthusiasts visiting Cambridge.