The North Fork of the Little Humboldt River begins on the east side of Buckskin Mountain in the Santa Rosa Range at an elevation of 7,280 feet and travels 49 miles to empty into Chimney Reservoir. The average width is about 9 feet and average flow is about 5 cubic feet per second. Bowcutt trout (rainbow x cutthroat hybrid), rainbow trout, brook trout, and brown trout are the principal game species and Lahontan cutthroat trout can be found in the headwaters. Standard fly fishing patterns include grasshopper and nymphs. The normal trout baits such as Power Bait, nightcrawlers, and salmon eggs work well. Warmwater species coming from Chimney Reservoir possibly can be found a short ways up the river to the first water diversion barrier. There is only primitive camping in the area.