Governor Sanford’s communications director just sent out this notice:

I wanted to pass along the following update regarding the governor’s location.
The governor is hiking along the Appalachian Trail. I apologize for taking so long to send this update, and was waiting to see if a more definitive idea of what part of the Trail he was on before we did so.
I want to emphasize that this isn’t something that either staff or Mrs. Sanford is concerned about. As we said earlier today, it isn’t unusual for the governor to be out of pocket for several days after the legislative session. We knew he would be difficult to reach, and that he would be checking in infrequently. Given the media attention this has generated, we’ll obviously update you once we have some more specifics to pass along.