One of the most unmissable things to do in Colorado is to hit up the Rocky Mountains for a spot of hiking. It’s a no-brainer. An hour and a half drive outside of Denver, join one of the many, many trails. We’d recommend Twin Sisters Peak (which is even more reachable if you’re staying in Boulder). It’s quite challenging though and will take pretty much all day.
Looking for what to do in Denver? When you wake up in Denver, adventure awaits. Explore the city's greatest spots. Get local Denver tips on attractions, activities, scenic sightseeing, biking and tours, golf and other destinations. Whether you're a local, here for the weekend or more than a week, discover the best things to do in Denver during your trip. Plus, find the perfect Denver hotel. 
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