If you look at the area where they found the cow's carcass, there could be quite a few cabins in the park which are vacant....but they would also be very close to several different highways leading N, S and/or W.
http://maps.google.com/maps?hl=en&b...code_result&ct=image&resnum=1&ved=0CBsQ8gEwAA
http://maps.google.com/maps?hl=en&b...code_result&ct=image&resnum=1&ved=0CBsQ8gEwAA