Near Eureka in the Mad River Ranger District of the Six Rivers National Forest, the Hayfork Trail is a challenging 4 mile OHV route with 3,400 feet of elevation change. This trail was one of the original travel routes from the pioneer days. It brought people from the Ruth area to connecting trails north to Hayfork and Weaverville.
To reach the trailhead from Trinity County Road 501, north of Ruth Reservoir approximately 1 ½ miles, to Forest Service Road 2S50. Travel approximately ¾ of a mile to the trailhead.
Overall, Hayfork Trail is the 91st most popular OHV & 4wd jeep trail of all 102 OHV routes in California.