If you were at AZRocks `05, `06 or `07 then you already know where the campsite is.
Here is map of the area - the campsite is on the lower left.
From the Pheonix Area - Drive east on the US60 past Mesa and Apache Junction - Turn south on US79. Cottonwood Canyon road is about 5.5 miles down on your left.
From the south - Come up through Florence on the 79 - Cottonwood Canyon is about 7 miles up on your right.
From either direction there will be large warning signs marked "TTORA" for you to follow.
GPS:
Cottonwood Canyon Turn-off
N33 10.730 W111 21.126
General area of camp
N33 11.568 W111 20.018