In Nogales, turn LEFT onto N. Grand Avenue.
Go 2 miles and North Grand Avenue will merge with ramp
for I-19 North (toward Tucson).
On I-19 North go 7.6 miles and then, take Exit 17
(for Yavapai Dr / Rio Rico Drive).
Turn RIGHT at light onto Rio Rico Drive.
Rio Rico Drive winds for a mile, but shortly after crossing
the Union Pacific Railroad tracks, you will be turning LEFT
onto PENDLETON Drive.
You will proceed 4 miles on Pendleton Drive before turning
RIGHT onto Calle TIBURON.
This road winds uphill and eventually you will come to its
end at a stop sign.
At this stop sign, you will turn RIGHT onto Camino
ESTURION. But you will only go 50 feet before taking
an immediate LEFT onto Via MANTARAYA. We will be
on your LEFT.