Bring more food than you think you'll need. Dharmabum's water suggestion is great. Jeri's list is definitive.
I will look for the Finns and/or Dharmabum, whoever I find first. Unless I get there before you do- around 1 pm, probably. Sm white Subaru, packed to the gills, and since my last post I've acquired a second 12 year old girl!