Take Millbrae Ave interchange I-280,
go N to intersection of Skyline Blvd and Hillcrest Blvd,
plaque 500 ft W on Hillcrest Blvd, Millbrae
Plaque:
Private Plaque
Notes:
None
From the Guidebook:
The Portolá Expedition
of 1769 camped near a lagoon now covered by San Andreas
Lake on November 4. They camped here a second time on
November 12, on their return trip.