From 215 (San Bernardino, north of the 10 freeway)
Take SR-30 East to SR-18 North.
Follow 18 approx. 22 miles, past junction 138, along Rim of the World Hwy, past Rim Forest to Left on SR-173.

From 10 (Redlands)
Take SR-30 north toward Highland, bear right at junction with SR-330.
Take 330 approximately 13 miles past Fredalba.
SR-330 crosses under 18 and loops back, joining SR-18 from the north.
Bear right onto SR-18 westbound into Running Springs.
Continue west on 18 approximately 7 miles to bear right on SR-173.

Then:
SR-173 winds down a hill to a junction with SR 189.
Proceed straight ahead across 189 into the ‘driveway’ that leads into Lake Arrowhead Village parking lot.
Signs and/or guides will direct you around the parking lot on the day of the Timeline.
Registration will be located along a short sidewalk at the Northeast corner of the main parking lot, in front of the Pendleton store, just beyond the large banners at the entrance to the Timeline exhibit.