Planning a Trip to the Ventana Wilderness
Joyce Park stashed this in Camping and hiking
Surprisingly easy to visit from the Bay Area at any time of year... but difficult to get information about visiting, because the area is managed by a mismash of USDA/National Forest Service, private for-profit and non-profit groups, the Army, California State Parks, and who knows who else.
Here are the car-camping options in the area on Forest Service land:
If it isn't already obvious from the URL, the USDA has maybe the worst website in recorded history.
Yeah, that is one fugly URL. But a good web reference.