Introducing The Den Cottonwood's Newest Martial Arts and Fitness Gym Step onto the mat at The Den and feel the difference — this isn’t just a training floor, it’s where confidence is forged and limits get tested. Our space is fully equipped and purpose-built to elevate every session. This mat space adapts to the moment — from playful energy to full-contact training. Whether you're here to compete, to grow, or just to move and connect, The Den delivers. One space. All the action. Built for our tribe. More Than a Gym, It’s a Place to Belong, Train, and Grow