Located just south of Denver, Castle Pines is an affluent community in Douglas County, Colorado. Known for its lush landscapes, luxury amenities, and great schools, the area has become a popular home for those seeking to escape the hustle and bustle of the city. The community boasts some of the most beautiful golf courses in Colorado and is surrounded by breathtaking views of the Rockies. With its close proximity to downtown Denver, residents can enjoy all the perks of city life without sacrificing their privacy and serenity that come from living in a smaller town. Very large metro area set in the plains and high desert of the Rocky Mountains. Primary industries include finance and technology. Also the state capital. - Situated in north-central Colorado, 65 miles north of Colorado Springs and 20 miles east of Boulder..