The site is located 15 miles north of Mariposa, California. This ungroomed and, for the most part, unshaded 18-mile trek for hikers, mountain bikers and horseback riders follows the old Yosemite railroad grade from the Briceburg Visitor Center ,along the north side of the river, to the Highway 49 bridge at Bagby. From Merced, located on U.S. Highway 99, travel 40 miles east on State Highway 140 to Mariposa. Then travel another 15 miles on Highway 140 to the Briceburg Visitor Center.
Campgrounds are accessible to persons with disabilities.
They are the McCabe Flat Campground, Willow Placer Campground, and the Railroad Flat Campground. The old Yosemite railroad grade is accessible by vehicles up to the Railroad Flat Campground. Only equestrian, pedestrians, and bicycles are permitted beyond the Railroad Flat Campground. Commercial lodging is available in the town of Mariposa. Food and supplies are available in Mariposa.