The Colorado Sightseer is a Denver-based tour operator specializing in sightseeing and hiking adventures throughout Colorado’s Rocky Mountain National Park, Foothills, and surrounding regions. The company offers both small- and large-group experiences designed to maximize active exploration while focusing on seeing, learning, and safely enjoying Colorado’s diverse landscapes. Guests can choose day trips and longer itineraries with expert guides who share local history, geology, and wildlife insights. Tours cover Rocky Mountain National Park, Red Rocks, Evergreen, Echo Lake, and the Denver metro area, including foothill scenic drives, mountain passes, and scenic overlooks, with flexible departures and customized private options.