Parking: 37.911151739490194, -122.5770687339225
Boulder: 37°55'04.7"N 122°35'02.1"W
= 37.91797 122.58392
Park on Gravity Car Road, hike up hogback road past the fire station, take a left on Matt Davis Trail, hike for ~10 minutes until you hit a bridge over a creek, boulder is down to the left in the creek.