The meeting location is at your hotel or agreed upon location in Estes Park, CO. You can get there by taking a flight to Denver International Airport or one of the municipal airports around Denver. From DIA, one can take a shuttle or rent a car to reach Estes Park. It is a 1.5-hour drive to Estes Park on good roads.
From there, you’ll be transferred to Rocky Mountain National Park. Your guide will transfer you back upon departure. If you’re driving separately, you can also meet your guide at the park or follow them to the trailhead.
Once you and your guide agree on the details of your itinerary, your guide will suggest the best place to meet, whether that’s at the guide shop in Estes Park or a predetermined location. The guide will choose the appropriate terrain dependent on conditions and the ability of the group.