Arsenic Mine (Abandoned)
USA /
California /
Poway /
World
/ USA
/ California
/ Poway
ruins, mine

Arsenic mining was big in the 1920s, when arsenic was used as a pesticide. Eventually this mine was abandoned, but its remnants can still be seen and accessed via the trail network.
Nearby cities:
Coordinates: 32°59'25"N 117°6'41"W
- Camp Elliott 13 km
- Camp Las Pulgas Bivouac Area 49 km
- Camp Ensign Cantonment Area 76 km
- Borrego Valley Manuever Area 84 km
- Clark Lake Radio Observatory 85 km
- Little Borego, California 92 km
- Camp Haan (site) 101 km
- Naval Air Facility, Salton Sea 120 km
- Camp Young (site) 143 km
- Slab City/Camp Dunlap (site) 156 km
- Black Mountain Open Space Park 1.5 km
- Black Mountain Ranch 2.3 km
- Rancho Peñasquitos 3.1 km
- Carmel Mountain Plaza 3.1 km
- Carmel Mountain Ranch, San Diego 3.2 km
- Carmel Mountain Ranch Country Club Golf Course (closed) 3.4 km
- Sabre Springs Business Park 3.7 km
- North Creek 4.1 km
- Van Dam Peak 5 km
- Sabre Springs 5.1 km