Contra Costa/ Alameda County line marker #59 - San Ramon, CA
Posted by: 
alamofox
N 37° 47.749 W 122° 02.582
10S E 584252 N 4183591
County boundary marker
Waymark Code: WM18VHJ
Location: California, United States
Date Posted: 10/01/2023
Views: 2
This benchmark can be found in Las Trampas Wilderness, East Bay Regional Parks, just off the Rocky Ridge View trail. There are two vertical pipes sunk on either side of the marker. They appear to signify the direction of the county boundary on either side of the marker.
Type of survey mark: Benchmark, set in concrete
What indicators are near the mark to help people identify where it is located?:
Two metal pipes set vertically into the ground, about two feet tall, are on either side of the marker.
What property is this mark defining?:
This marks the boundary separating Contra Costa County from Alameda County
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Visit Instructions:
Please submit a photo(s) taken by you of your visit to the location (non-copyrighted photos only). GPS photos are also accepted with the location in the background, and old vacation photos are accepted. If you are not able to provide a photo, then please describe your visit or give a story about the visit. If you have additional information about the survey mark which is not listed in the waymark description, please notify the waymark owner to have it added, and please post the information in your visit log.
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