See a map of the festival site
From Los Angeles area on Interstate 10
(toward Palm Springs):

Go SOUTH on Beaumont Avenue/Hwy 79 approx. 14 miles. Turn LEFT on Stetson, go 3 miles. Turn RIGHT on Girard to the Parking Lots.

From Los Angeles/Orange County on Interstate 215:

Go EAST on Ramona Expressway approx. 15 miles. Turn RIGHT on Sanderson. Go 4-1/2 miles. Turn LEFT on Stetson. Go 3 miles. Turn RIGHT on Girard to the Parking Lots.

From Interstate 215:

Go EAST on Hwy 74 approx. 14 miles. Turn RIGHT on Girard to the Parking Lots.

From San Diego on Interstate 15 (via Winchester Road):

Take Winchester Road/Hwy 79 exit north for 13 miles to Domenigoni Parkway. Turn RIGHT, go 7 miles. Turn LEFT on State Street, go 2 miles. Turn RIGHT on Stetson, go 1 miles. Turn RIGHT on Girard to the Parking Lots.

From San Diego on Interstate 15:

Take Interstate 215 north. Go EAST on Hwy 74 approx. 14 miles. Turn RIGHT on Girard to the Parking Lots.