http://www.icorrmtb.org The website does a good job at describing the trail and offers maps. There are plenty of log hops and switchbacks to make this a good place to ride. The roots in the pine section can be painfull on the backside, so be prepared. You can easily ride the entire system without being too worn out. Just pick a starting point and go,.
I80 to exit 244 to Coralville<br /><br /> . Start out going Northwest on N DUBUQUE ST toward N FRONT ST.<br /><br /># 2. Turn SLIGHT RIGHT onto N FRONT ST. 0.7 miles<br /><br /># 3. N FRONT ST becomes MEHAFFEY BRIDGE RD NE (Portions unpaved). 4.8 miles<br /><br /># 4. Turn RIGHT at PARK ENTRANCE shortly after MEHAFFEY BRIDGE. Follow twisty road. 1 mile<br /><br /># 5. Turn LEFT at BEACH ENTRANCE.<br /><br /># 6. Parking lot and trailhead are at bottom of hill.
http://www.singletracks.com/item.php?c=1&i=1037