The Humboldt Trail begins at Tomhead Trailhead and heads to the northwest out the ridge top that represents the eastern boundary of the wilderness to a junction with #10W47 (Cold Fork Ridge Trail). From here it leaves the ridge top and contours around the west slope of the mountains to Saunders Camp, where it junctions with #9W39 (Cottonwood Creek Trail) and #9W39A (Saunders Shot-cut). At Saunders Camp there is good water, limited grazing for stock. Leaving Saunders Camp Trail it contours on level to North Yolla Bolly Guard Station, where there is also good water, and a junction with #10W39 (Chicago Camp Trail), and then to Cedar Basin where it junctions with #10W36 (Pettijohn Trail) and on to West Gap Trailhead. The trail is relatively level for the entire length, which is approximately 15 miles. At the end of the summer the stretch between Tomhead Trailhead and Saunders Camp may have no water.

Directions: From Harrison Gulch Ranger Station, This trail begins from the Tomhead Trailhead, which is located on the east side of the Yolla Bolly Wilderness. From Harrison Gulch Ranger Station drive 7 miles west on Highway 36 to the Wildwood Mad River Road #30. Turn left and continue on this road for approximately 7 miles, to County Road #35. Turn left and travel about 20 miles to road 27N06 and travel on to the trailhead.

Elevation: 5,500 feet

Elevation Gain: 900 feet

Distance: 14.7 miles

Usage: Moderate

Difficulty: Easy

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