While not accessible via vehicle, Cascade Canyon is easily accessible via foot using the Purgatory Flats trail (namesake pictured here) and you can find more information on Hiking Project
Another way is via the Molas Pass trail which takes you to Elk Park (have not hiked this yet)
William Diehl... \M/( >.< )\M/
-Albuquerque Big Diehl Photo <-Photos and Books For Sale, or Like it on Facebook.