Austin to AZ:
...
Phoenix has many grocery stores to choose from, but you will be limited on your cold food purchase. Camp Verde has a Bashas' grocery open until 10pm. Payson has a could options for groceries and Safeway is open until midnight. In Flagstaff most people shop at Sprouts, it is open until 10pm and is close to Burritos Fiesta. It is also on the way to Lowell if you are visiting there.
The GM (Giovale-Millis Lodge) Lodge:
A good descirption of the lodge is given here: http://reservations.lowell.edu/Chalet_Reservations/Descriptions.html
The lodge is reserved here https://lowell.edu/lodging-reservation-form/ .
When you arrive at the Lodge gate (red wagon wheels) it will be locked. Your key opens the padlock. Close the gate and lock it behind yourself. Drive to the lodge. If the road is not drivable , you need to go to DCT instead of the lodge. If then you should walk it. If you get stuck out there at night , be prepared to walk to the lodge from the stuck carnobody can help you.
Lodge rules and expectations are posted inside. The thermostat is mounted next to the hallway.
...