Embrace the crisp air and vibrant colors of fall in Denver with your crew because baby, it’s sweater weather! Our handpicked selection of group activities will have you falling head over heels for the Mile High City’s autumn charm. From hitting the river to scenic hikes amidst vibrant foliage to indulging in quality booze, the city offers an array of experiences to suit every group's taste and vibe. So, leaf the ordinary behind because this is a September you’ll want to stay awake for.