Prepare Civic Center Park for the summer by participating in a special Parks, Rivers, Trails & Trees volunteer day! Parks, Rivers, Trails & Trees is a city-wide opportunity to get involved in activities that enhance Denver’s parks. Civic Center Conservancy is excited to be a part of this special day on Saturday, May 13. They will host a clean-up session in the park from 10 am to 12 pm before the volunteer groups go to City Park for a free community celebration from 12-3 pm. Click here to learn more and to sign up!