Suggestions for trip to Grand Canyon & Arches?

Grand Canyon's north rim is higher and cooler than the south rim. Plenty of places to boondock on national forest land just outside the park boundary, search past threads for details.

I really like Arches NP, but from about 10:30 am to 7:30 pm will be hot, hot, hot. If it gets to be too much for you after a couple of days, think about heading to the Telluride/Ouray/Silverton area where it's high and cooler with great mountain scenery; rent a Wrangler and hit some of the trails!