California Mining Claims & Land Ownership Map
Current BLM claim data, land ownership layers, and rockhounding-ready backcountry navigation for California — built for the field.
California remains a cornerstone of American mineral exploration, anchored by the world-famous Mother Lode belt and vast desert public lands. Across the Sierra Nevada foothills, Northern California river systems, and Mojave Desert basins, thousands of active California BLM mining claims cover productive placer gravels and hard-rock quartz formations. Federal domain lands managed by the Bureau of Land Management and United States Forest Service offer extensive terrain for modern prospectors, detectorists, and lapidary collectors.
The state's extraordinary geological diversity fuels both precious metal prospecting and world-class rockhounding. Complex tectonic collision zones, Mesozoic granitic intrusions, and volcanic activity deposited rich lode gold quartz veins, secondary copper ores, and rare gemstones. Millennia of erosion washed heavy placer gold into historic waterways like the Feather, Yuba, American, and Klamath rivers. Beyond gold panning and suction dredging, public land yields prized specimens including Mojave fire agate, Benitoite, tourmaline, jasper, chalcedony, and jade.
Navigating California gold prospecting requires exact property boundary verification. Unpatented placer and lode claims line proven river channels and desert washes, tightly interlocking with private holdings, state parks, and withdrawn wilderness areas. Utilizing an active California BLM mining claims map enables panners, detectorists, and rockhounds to check live federal records, distinguish active claim lines from open public domain ground, and explore backcountry districts with total confidence.
26,509
Active California Claims
312,500
Historical California Claims
38,003
California Rockhound Hotspots
377,012
Total California Claims & Hotspots
View Free Version · Premium Plans
Save any map area while you have cell service, then navigate active BLM mining claims, land ownership boundaries, and optional layers like elevation contours, roads, and creeks — with zero connectivity out in the field. Offline downloads are included on every paid plan. See plans below →
1848 Sutter’s Mill Discovery & 1849 Gold Rush: California gold prospecting exploded in 1848 following James W. Marshall’s placer strike at Sutter's Mill along the South Fork American River, setting off the historic 1849 Gold Rush that brought hundreds of thousands of miners to Coloma and the Sierra Nevada foothills.
Sierra Nevada Foothills Mother Lode Belt: Hard-rock lode wealth is concentrated along the 120-mile-long Mother Lode system, where Jurassic accretionary tectonics and granitic batholith intrusions injected gold-bearing quartz fissure veins into slate, schist, and greenstone host rocks.
Klamath Mountains & Northern River Placers: Glacial action and deep fluvial erosion weathered hard-rock gold veins across the Klamath Mountains, creating deep alluvial placer deposits and ancient bench gravels along major river systems including the Trinity, Klamath, Yuba, and Feather rivers.
Mojave Desert Dry Wash & Lode Districts: Arid weathering across Southern California’s Mojave Desert created extensive placer dry-washing grounds and gold-bearing lode districts in regions like Randsburg, Dale, and the Mojave preserve boundaries.
World-Famous Gemstone & Mineral Outcrops: Cenozoic volcanic activity and complex pegmatite dikes formed renowned gem districts, including San Diego County's Pala pegmatites yielding pink tourmaline and kunzite, alongside Benitoite (California's state gem), Mojave fire agate, and coastal jaspers.
BLM Public Domain Land Access: Millions of acres across California remain federal public domain land administered by the Bureau of Land Management (California State Office) and U.S. Forest Service, providing legitimate access for panners, detectorists, and rockhounds outside active unpatented claim boundaries.
Official Prospecting Resources for California
What it is: The official federal Bureau of Land Management state office portal governing public domain mineral entry, land records, and unpatented claim filings across California.
Use case: Filing new location notices, paying annual federal maintenance fees, submitting Small Miner's Maintenance Fee Waivers, and getting filing assistance from the Sacramento Information Access Center.
California Geological Survey Mineral Resources Program (CGS)
What it is: The California Department of Conservation’s state geological agency portal providing official geological maps, mineral land classification reports, and statutory mining resources.
Use case: Accessing state mineral data portals, researching historical gold districts, downloading digital geological map publications, and verifying state mineral land classifications.
What it is: The official federal Bureau of Land Management recreational portal governing non-commercial rockhounding, mineral specimen collecting, and surface sampling rules on public domain land, including California.
Use case: Reviewing federal daily collecting weight limits (such as 25 lbs per day), verifying non-commercial collection rules, checking restrictions regarding active mining claims, and locating designated BLM collecting areas across California.
Plans
Basic
$0/mo
Local Miner
$29.99/yr
Everything in Free, plus:
Adventure Miner
$49.99/yr
Everything in Free, plus:
Rockhound Enthusiast
$29.99/yr
Gem & crystal hunters, Midwest/East users — everything in Free, plus:
Pro Prospector
$99.99/yr
Everything in Free, plus:
Staked Maps isn't crowd-sourced guesswork. Active and historical claim boundaries are parsed directly from the Bureau of Land Management's own MLRS/LR2000 case-recordation system — the same records BLM state offices use internally — and kept in sync with our database on a regular schedule. Rockhound Hotspots draw from the USGS Mineral Resources Data System (MRDS), cross-referenced by material so you can see exactly what's been found at a given site. For legal filings, always confirm current status directly with your BLM state office of record; Staked Maps is a research and navigation tool, not a substitute for the official record.
Directly from the Bureau of Land Management's official MLRS/LR2000 case-recordation records, synced into our database on a regular schedule — not scraped or crowd-sourced.
Yes. The free tier gives you the interactive claims map, land ownership overlays, and basemap layers for your current state, auto-detected via GPS — no subscription required. Paid plans add more states plus premium data like full legal descriptions, historical claims, offline downloads, and Rockhound Hotspots.
Active claims currently have valid, in-good-standing filings with the BLM. Historical claims are expired or closed filings — still useful for understanding an area's mining history and past activity.
Free users can search by county. Paid plans add search by claim serial number, plus each claim's full legal (aliquot) description and BLM records link.
A premium map layer of known mineral and gem collecting sites — sourced from USGS records and labeled by material where available (e.g. turquoise, opal, jasper) — for rockhounds looking for their next find.
Staked Maps currently tracks 26,509 active and 312,500 historical mining claims in California, plus 38,003 Rockhound Hotspots — synced on a regular schedule directly from the BLM's own MLRS records.
Yes — the California claims map covers the entire state today, including Nevada County, San Diego County, Siskiyou County, Kern County and El Dorado County. Dedicated pages for each are coming soon.
BLM California State Office Mining & Minerals is California's primary office for filing and researching mining claims — see the Official Filing & Information Links section above for the direct link and more resources.
Information hosted on Staked Maps is compiled from publicly available data streams provided by the Bureau of Land Management (BLM) and relevant state geographic clearinghouses. Staked Maps accepts no liability for the content of this geospatial data, or for the consequences of any real-world exploration, land entry, or staking actions taken on the basis of the information provided via this application interface.
Staked Maps makes no warranty, expressed or implied, including the warranties of merchantability and fitness for a particular purpose, nor assumes any legal liability or responsibility for the pinpoint accuracy, reliability, completeness, latency, or programmatic utility of these geospatial data layers, or for the improper interpretation of these data grids.
These mapping layers and related graphics are visual convenience aids only; they are not legal documents and must never be used as such. The data may not be used to legally determine title, mineral ownership, valid description boundaries, jurisdictional authorities, or land restrictions in place on public or private land. Natural backcountry hazards may or may not be depicted on topographies, and land users are strictly mandated to exercise caution. Federal records are dynamic and change constantly. The end-user is exclusively responsible for validating current land classifications with local BLM field offices and managing compliance accordingly.