I took an all day tour to Rocky Mountain National Park from Denver. Our guide, Ryan D, was awesome! He was very knowledgeable not only on the park, but also about the surrounding areas, cities and the state. You could totally tell that he likes his job and especially the outdoors. The tour was kept to a small number so I felt that we were nicely spaced out in the van. It was SO nice to sit back and take in all the views while Ryan was driving. I would absolutely recommend this tour, especially to anyone who's first time it is to Denver.