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From Highway 101 South

Take the CA-84 E/Marsh Rd. exit toward Dumbarton Bridge. Turn right onto Marsh Rd. Turn left onto Middlefield Rd. Turn right onto Encinal Ave. Turn left onto CA-82S/El Camino Real. Turn right onto Quarry Road. Turn right onto Quarry Road Extension. 900 Quarry Road Extension will be on your left.

From Highway 101 North

Take the Embarcadero Rd. exit. Follow signs for Embarcadero Rd. W and merge onto Embarcadero Rd. Continue onto Galvez St. Slight right onto Arboretum Rd. Turn left onto Quarry Rd. Turn right onto Quarry Road Extension. 900 Quarry Road Extension will be on your left.

From Highway 280 South

Take the Sand Hill Rd. exit toward Menlo Park. Keep left at the fork, follow signs for Sand Hill Road E. Keep left at the fork, and merge onto Sand Hill Rd. Turn right onto Vineyard Lane. Turn right onto Quarry Rd. Turn right onto Quarry Road Extension. 900 Quarry Road Extension will be on your left.

From Highway 280 North

Take the Alpine Rd. exit toward Portola Valley. Keep right at the fork, follow signs for Menlo Park/Atherton and merge onto Alpine Rd. Alpine Rd. turns slightly left and becomes Santa Cruz Ave. Turn right onto Sand Hill Rd. Turn right onto Vineyard Lane. Turn right onto Quarry Rd. Turn right onto Quarry Road Extension. 900 Quarry Road Extension will be on your left.

In an Emergency pull up to the entrance. Our security team will assist you.

You can leave your car for a limited time in the emergency parking lot. Valet parking is available for $8 from 8 a.m. to 8 p.m. seven days a week. Metered parking is available across the street from the Marc and Laura Andreessen Pediatric Emergency Department entrance.