Where are good mountain bike trails near Boulder?
There are several trails that you can ride to from Boulder. South, there is the Marshall Mesa trail. East there are recreation paths (look out for walkers). North is Lyons and other easy paths. To the west, find rugged mountain trails, easy, technical, difficult or just long. Check out the Boulder Mountainbike Alliance (www.boa-mtb.org) for information on trails, conditions, projects, and more.