Landmark information
- Location: 
 Crystal Springs Dam, on Skyline Blvd (PM 13.7), 0 .1 mi S of Crystal Springs Rd, 4 mi W of San Mateo
- Plaque: 
 No Plaque
- Site: 
 Nothing Remains
- Date First Visited: 
 4/21/1996
- Date Most Recently Visited: 
 4/21/1996
- GPS Coordinates: 
 N 37 31.779, W 122 21.764
About this landmark
                From the state: 
				The Portolá Expedition of 1769 camped on November 5 at a 'laguna grande' which today is covered by the Upper Crystal Springs Lake.
              
