Don't forget to charge your cellphone. I'd think you might still have service there. Set it so someone you know can see your GPS.
If all else fails....a roll of gorilla tape. In my grab bag of camping stuff (when I used to keep one) was 100' of parachord wrapped in 6' of heavy duct tape. From the sounds of it probably not needed but for longer trips to more isolated spots potential lifesavers.
(http://webzoom.freewebs.com/ohanaexp/46830-1-1340923080.jpg)