Rockhounding in Humboldt County, Nevada

16 mapped rockhounding spots in Humboldt County. Most commonly produces gold, silver, black opal, chalcedony.

Humboldt County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

2 photos

Minerals reported in Humboldt County

Standout in Humboldt County

Hand-picked spot in Humboldt County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Virgin Valley
Public
Humboldt County
Virgin Valley is the United States' classic black-opal district, with USGS and Mindat both placing the opal field near the Oregon line in the Sheldon refuge country. Its strongest geologic feature is opal replacing mid-Miocene wood, including petrified wood and rare plant material, although most precious-opal ground is claimed and any collecting has to respect mining and refuge restrictions.
Agate, Chalcedony, Chert, Flint

Spots in Humboldt County

Spot	Minerals	Coordinates	Access
Agate Point	Agate Chalcedony Chert Flint Jasper	41.7504, -118.3357	Public
Bonanza Opal MineVirgin Valley Road	Opal	41.7800, -119.1000	Paid / fee
Bonanza Opal MinesSagebrush Creek Road		41.8468, -119.0065	Paid / fee
GolcondaMidas Road	Gold Copper Iron Lead Manganese Tungsten Zinc	40.9429, -117.4300	Public
Golconda (petrified area)Eden Valley Road	Chalcedony Petrified Wood	40.9787, -117.4834	Public
Greenfire Opal MineSagebrush Creek Road	Opal Black Opal Fire Opal Common Opal	41.8148, -119.0080	Public
Little High Rock Canyon	Obsidian	41.2891, -119.2930	Public
McDermittCordero Mine Road	Copper Lead Silver Gold Purple Agate	41.9186, -117.8127	Public
Paradise Valley	Gold Platinum Silver	41.5733, -117.4809	Public
Rainbow Ridge Opal MineSagebrush Creek Road	Precious Opal Black Opal Fire Opal Opalized Wood Rhodonite Common Opal	41.7975, -119.0152	Public
Rainbow Ridge Opal MineSagebrush Creek Road		41.7952, -119.0144	Paid / fee
Royal Peacock Opal MineVirgin Valley Road	Black Opal Fire Opal	41.7861, -119.1002	Paid / fee
Royal Peacock Opal MinesVirgin Valley Road		41.7863, -119.1002	Paid / fee
Virgin Valley	Agate Chalcedony Chert Flint Jasper Opal Silicified Lignite Opalized Wood +1 more	41.8302, -119.0002	Public
Willow Creek near OrovadaWillow Creek Road	Gold Platinum Silver	41.6612, -117.7970	Public
WinnemuccaRailroad Canyon Access Road	Copper Gold Silver Zinc Lead Platinum	40.9340, -117.6572	Public

Neighboring counties in Nevada

Adjacent rockhounding counties, ranked by how close their centroids sit to Humboldt County. A natural extension if Humboldt County is already on your trip plan.

Across the state line from Humboldt County

Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into Nevada.

Modoc County~94 miCalifornia · 3 spotsTop: Agate, Chalcedony, Jasper

Humboldt County FAQ

Where can I rockhound in Humboldt County, Nevada?+

RockHoundR tracks 16 rockhounding spots in Humboldt County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Humboldt County?+

Spots in Humboldt County most often produce Gold, Silver, Black Opal, Chalcedony, Copper. Individual spots can vary widely.

Are these Humboldt County rockhounding spots on public land?+

Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

Plan a Humboldt County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.