From PHOENIX:

Take Interstate Highway I-17 NORTH toward FLAGSTAFF, approx. 99 miles

Take the AZ-179 exit - EXIT 298 - and go north on AZ Hwy 179 for 5 miles.  At the first roundabout, turn right onto Avenida de Piedras and then take the first left into Las Posadas of Sedona.

From FLAGSTAFF:

Take Interstate Highway I-17 SOUTH toward PHOENIX, approx. 41 miles

Take the AZ-179 exit - EXIT 298 - and go north on AZ Hwy 179 for 5 miles.  At the first roundabout, turn right onto Avenida de Piedras and then take the first left into Las Posadas of Sedona.