\
Corner 7:
San Ysidro is a small town, south of San Diego, that is at the very southern limit of California. There is a small road that extends south and west out of town that represents the southwest corner of the US, and is one of the corners on the Four Corners USA ride:
A view of Tijuana, and the wall (!). 
The post office in San Ysidro 
Leg 8 to Corner 8 is here:
Return to 8 Corners Start Page here: