Fairfield: Moonstone Rockhounding in Camas County, Idaho

Updated June 2026

Fairfield is a mapped rockhounding spot in Camas County, Idaho. Reported finds include moonstone. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Camas County
State: Idaho
Nearest road: Sage Avenue
Postcode: 83327
Coordinates: 43.35218, -114.78561

Geology at Fairfield

This spot sits on Alluvial-fan deposits, mapped as pebbly coarse sand;sand;silt;clay that formed within roughly the last 3 million years. Loose deposits like these are float-collecting ground: erosion keeps moving durable rocks and minerals into gravel bars, cutbanks, and washes.

Mapped unit: Alluvial-fan deposits
Age: 3 Ma to present (Pleistocene to Holocene)
Rock types: pebbly coarse sand;sand;silt;clay
Elevation: 5,060 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Fairfield

Best months: April to October. Typical highs run 84°F in midsummer and 27°F in midwinter, with winter lows near 9°F.

Climate normals: NOAA 1991-2020 monthlies, FAIRFIELD RS station (1 mi away).

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.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

State guidance last verified: April 1, 2026

Idaho Panhandle National Forests, Emerald Creek
Idaho Geological Survey
Spencer Opal Mines (fee-dig operator)
Community submissions reviewed against published agency rules

Found at Fairfield

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Moonstone Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Fairfield.

Fairfield FAQ

Where is Fairfield?+

Fairfield is in Camas County, Idaho, at 43.35218, -114.78561. Nearest road: Sage Avenue.

What rocks and minerals can you find at Fairfield?+

Fairfield is reported to produce Moonstone.

Is collecting allowed at Fairfield?+

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. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Fairfield?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

When is the best time to visit Fairfield?+

The most comfortable months at Fairfield are April to October.

How do I get to Fairfield?+

Open the directions link to navigate to 43.35218, -114.78561 in Google Maps. The nearest road is Sage Avenue.

More rockhounding in Idaho

See all 117 Idaho spots →

Open Fairfield on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.