Area Trails:
4x4 Adventures in the San Juan Mountains
Last year I purchased the "Guide to Colorado Backroads & 4-Wheel Drive Trails" By Charles A. WellsClick Here if Interested This book will tell you a lot about the area and you can help select the trail runs you woul dlike to do.
Another great resourse is Colorado Byways by Tony Huegel
Trail ratings by Traildamage.com