Long dirt road climb with awesome hardpack descent
Start from the parking/camping area and begin climbing the road (Elden Lookout Road) heading north-east. Just when you seem to be approaching the end of your climbing patience, hang a left on the obvious singletrack trail (if you cross the cattleguard you've gone too far). Let off of the brakes and enjoy the trip down! This trail is very easy to navigate and it's hard to get lost but pay attention anyway. There are lots of little jumps and berms along the way to test your air capabilities. Be sure to control your speed somewhat, allowing for hikers, equestrians, and other cyclists. Follow this descent back to the trail head. Repeat as many times as possible without starting to see double!
How to get there:
From Flagstaff, head north on 180, north again (right) on Schultz Pass Road. The parking area is about 100 yards up the road on the right side.