Skull Pass is accessed off of Road 3550 (Powerline Road)
. After crossing a cattle guard and descending a bit on Road 3550, look for a singletrack for Skull Pass on your left.
Don't let the name of this trail intimidate you, as it's fairly mild and lots of fun. There are a few short harder sections, but other than that the rest of the trail is tons of fun with some tight turns through the trees.
The trail eventually ends at a spur road, take an immediate right and head up Skull Pass spur 4x4 road back to Road 3550 (Powerline Road)