- East of Williams, Arizona in the Kaibab National Forest
- Cinder surfaced except for final 3.5 miles
- Suitable Vehicle:
- Passenger Car / High Clearance Vehicle
- 17 mile round trip
- 1 hour
- Spring - Fall
After turning on FSR 90, the route climbs into a ponderosa pine forest and passes through several small open grasslands, offering views of the north and northwest sides of the mountain. Vistas back to the west are panoramic. The route ends at one of the best close-up views of the north slopes of Kendrick Mountain. A trip to Bull Basin can easily be combined with a tour of Spring Valley or Government Prairie.
The area bordering FSR 90 is also an excellent place to see wildlife. In the fall, it provides splendid views of the aspens on Kendrick Mountain as they turn a brilliant
The route is cinder surfaced, suitable for passenger vehicles up to FSR 90. The last 3.5 miles is not surfaced and is suitable for high clearance vehicles only.
From Williams, drive east on I-40 to Exit 178 at the town of Parks. Turn north and cross the interstate. Make a left at the "T" intersection. At the Parks-in-the-Pines General Store, turn right and drive north on Forest Service Road 141. The sightseeing route starts at the junction of FSR 141 and FSR 144, about 11 miles north of Parks and about 13 miles east of Hwy 64. From here, go north on FSR 144 for about 3 miles to FSR 90. Turn right on FSR 90 and continue about 5 miles to FSR 90A. Go right approximately one mile to the Bull Basin trailhead.