Sonnenalp Resort of Vail is an 18-hole resort golf course in Edwards, Colorado, built in 1980 and designed by Bob Cupp. It sits in the $$$$ (splurge) price range for golf in Colorado. The season runs Mar 25 to Nov 12 (closed on Mondays). Tee times can be booked 7 days in advance. Guests are welcome.
Details like fees and seasons change, so call the course before you head out.