This trail is best done as a downhill by climbing to Marble Pass on dirt roads and then taking the Elkhorn Crest trail to the start. The trail is very rocky and has constant obstacles, but as a downhill it is a blast and a fun challenge. The trail is full of tight switchbacks with the hardest being the ones right after leaving the Elkhorn Crest. Be very careful and make sure to stop to take in the view! Part way down you'll hit Twin Lakes. Stop and dip your fishing pole if you're down to catch some trout. After that, the trail is steep and rowdy with some more switchbacks to keep things very interesting.
The rocks on the trail are very sharp in places so watch out for your sidewalls.