Cedar City and St. George are the main urban areas in the region with all the ammenities you'll need. Cedar City is the gateway to Brian Head, Bryce Cayon and Cedar Breaks National Monument. The area is very pro-mountain biking. So. in Cedar City and speak with owner Brian Jeppson. While at the shop, pick up a free copy of the Brian Head Hiking and Biking Guide which list 18 local ribbons of singletrack.
Fitness is something to consider before riding in the area.
Trailheads at 8000 ft. If you arrive from near sea-level, trailheads riding without getting acclaimated, or the necessary fitness, will feel as if your lungs are in a vice grip. Thankfully, lung bursting climbs are not the norm as most of the terrain is rolling. Trails starting from Steam Engine Meadow at Brian Head wind through mountain forest with minimal elevation gain. Starting at the top of Brian Head Peak will allow access to a couple of mega-downhills.