Brea is home to numerous parks and gyms that promote a healthly and active life After5. Gyms in the city are perfect after work as routines offered are short but effective. You can always have a guilt-free night out right after a nice workout for you to stay fit. Enjoy a lifestyle that is both fun and fit with their dynamic and proven routines. You only need to make time for a trip to one of the gyms here in Brea to begin your fitness quest.