The Aspen Glen Club is an 18-hole private golf course in Carbondale, Colorado, built in 1997 and designed by Jack Nicklaus & Jack Nicklaus II. It sits in the $$$$ (splurge) price range for golf in Colorado. The season runs Apr 15 to Nov 15 (closed on Mondays). Tee times can be booked 14 days in advance.
Details like fees and seasons change, so call the course before you head out.