If you plan to go into the mountains or back country in Colorado, SERIOUSLY consider the CORSAR card. It is only $3 for one year and covers any search and rescue costs. If you have a current hunting or fishing license, you are covered as well.
http://www.colorado.gov/cs/Satellite/DOLA-Main/CBON/1251592090523
Could you try that link again? I’m getting 404.