Some states boast a huge number of downhill moutnain bike trails. California, Utah, Colorado, Arizona, and Washington are just some states that have a huge number of mountain biking trails. Mountain bike trails can also be found on the East Coast. Mountain bike trail websites like DirtWorld.com, Trailsource.com, and utahmountainbiking.com all have categorized downhill mountain bike trails, complete with degrees of difficulty and reviews of each trail.
Mountainous states like Colorado, Utah, Nevada, California, Washington, Mntana, Idaho, North Carolina, Arkansas, New Hampshire, Vermont, Massachusetts, Maine, New York, Virginia, Arizona, and Wyoming offer many downhill mountain biking opportunities. Going to these state's Department of Recreation will lead you towards all of their available mountain biking and hiking trails. You will also learn valuable safety tips necessary in each state.