Elitch Gardens Theme & Water Park - single-day ticket, good for any day in 2020! For those of you who love roller coasters... or prefer the teacups, we've secured passes that are good before, during, or after convention. Your ticket includes admission to both the theme park and the water park. Located on the west side of downtown Denver, it's accessible via a short/inexpensive Lyft/Uber or the free 16th Street Mall Ride shuttle and a half mile walk.