Explore › NorCal bottle digging
East Bay shore off old Hayward/San Lorenzo dumps
BOTTLE DIGGING
GRAY AREA
DOCUMENTED
Where: NorCal · approx. 37.64, -122.14 (vicinity only)
Why this spot: 1890s-1930s dumps (late for your specialty)
Access: Gray area.
Hayward Regional Shoreline (EBRPD, no collecting) fronts most of it; outboard flats = state gray.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.