In the Kaibab National Forest, there are two mountain bike loops, R.S. Hill Loop (7 mi.) and Eagle Rock Loop (8 mi.) on remote roads and trails with abundant wildlife. In the winter, these are cross country ski routes. To reach the mountain bike loops from Williams, follow: US40 east 14.5 mi. -> Parks Exit -> near store west side, FS141 north 6.5 mi. -> park at Spring Valley Ski Trailhead.
Overall, Spring Valley Loop is the 87th most popular mountain bike trail of all 103 mountain biking rides in Arizona.