West of Yreka in the Klamath National Forest, Gunsight Peak marks the beginning of 10 miles and 3,300 vertical feet of downhill bliss. You head down the main road for about a mile to the intersection of the Sucker Creek Road (FS 45N53), where you turn onto a 7 mile run of great double track thats blocked to 4WD vehicles. There are patches of loose rock and steep drop-offs on this road. At Humbug Creek the route moves onto a graded road for a couple miles, following along beside the Creek. Youll cross a bridge. A short way beyond it, hang a sharp right onto FS 45N30. its payback time for all that fun, with a long, grind-it-out, granny ring pull for 1,600 vertical feet back up to Four Corners. The thrill of the downhill lingers, but you ll be glad to get back to the top. This is a long, dry mountain bike ride with a lot of climbing. Really strong mountain bike riders might enjoy beginning this mountain bike ride in Yreka, using the 1,800 foot climb to Four Corners for a warm-up.
To reach the mountain biking trailhead from Yreka, head uphill on Miner or North streets to Humbug Road, take a right, and follow the dirt road for the 3 miles on up to the Four Corners saddle.
Overall, Gunsight Peak Loop Trail is the 64th most popular mountain bike trail of all 132 mountain biking rides in California.