Boulder, located in northern Colorado at the foothills of the Rocky Mountains, is a beautiful mountain city that has been drawing visitors from around the globe for generations. With a terrific combination of abundant natural beauty nearby, plenty of recreational activities, and wonderful downtown area, it is easy to see why Boulder is such a popular destination. If you like to rock climb then be sure to check out the Flatirons nearby, one of the more popular climbing destinations in the country. For the art lovers out there be sure to check out the Boulder Museum of Contemporary Art, a favorite of locals and visitors alike. With a range of prices, styles, sizes, and amenities, this list of eco-friendly vacation rentals is sure to have something for everyone. Enjoy!