Amboy Crater — Rockhounding in San Bernardino County, California
Amboy Crater is a mapped rockhounding spot in San Bernardino County, California. Reported finds include boltwoodite, jasper, obsidian. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Amboy Crater in San Bernardino County, California
Quick details
- Access
- Public area
- County
- San Bernardino County
- State
- California
- Nearest road
- Amboy Crater Trail
- Postcode
- 92304
- Coordinates
- 34.54478, -115.79235
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Amboy Crater.
- Bristol Dry LakeSan Bernardino County · 9 mi awayCelestite Concretions
- Afton CanyonSan Bernardino County · 48 mi awayOpalite, Jasper
- Midway Area (Lavic Jasper)San Bernardino County · 51 mi awayLavic Jasper
- Rouse HillRiverside County · 82 mi awayAmazonite, Idocrase, Rose Quartz
- Unnamed Location (Fire Agate)Riverside County · 91 mi awayChalcedony, Fire Agate
- Eagle CragsSan Bernardino County · 93 mi awayBlue Agate, Bentonite, Calcite
- Old Quarry (Riverside)Riverside County · 100 mi awayAxinite
- Area Near Jenson QuarryRiverside County · 100 mi awayHornblende
