Directions to Concrete High School -
Take I-5 north from Seattle ~65 miles to SR20 (Exit 230 towards Burlington/Anacortes).
Take SR20 towards Burlington. Turn right on Rio Vista Ave, go ~0.3 miles.
Turn left on Burlington Blvd, go ~0.2 miles. Turn right on E. Fairhaven Avenue,
go ~0.3 miles. Veer left on North Cascades Hwy and continue for ~4.4 miles where
you jog left to Borseth Street then right to Moore Street and continue out of town on SR-20.
Continue on SR-20 ~23.5 miles to Concrete. Inside Concrete (~0.5 miles) turn right
on Superior Avenue. Park at grade school ~0.2 miles ahead on your right.
(High school will be on your left and airport straight in front of you.)
Total distance from downtown Seattle is ~95 miles so be sure to give yourself ~2 hours
to get to the start.