“Holly Creek Gap Road connects Pinhoti 1 and Pinhoti 2 and forms parts of several bigger loops in the area.”
— Lost Justpastnowhere
Holly Creek Gap Road (FS 90) is a short gravel forest road that connects many of the trails in the Bear Creek/Pinhoti trail megaplex. It's the typical gravel forest road you'd expect to find in the area.
Note that some maps show this as Wilderness Road.