Spencer Opal Mine — Rockhounding in Clark County, Idaho

Spencer Opal Mine is a mapped rockhounding spot in Clark County, Idaho. Reported finds include fire opal. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Paid / fee dig
County: Clark County
State: Idaho
Nearest road: Old Highway 91
Postcode: 83446
Coordinates: 44.36143, -112.18646

Land & collecting status

Pay-to-dig site

This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out.

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.

Found at Spencer Opal Mine

Each chip links to all spots in the U.S. that produce that material.

Fire Opal

Nearby rockhounding spots

Other rockhounding spots within driving distance of Spencer Opal Mine.

Spencer Opal Mine FAQ

Where is Spencer Opal Mine?+

Spencer Opal Mine is in Clark County, Idaho, at 44.36143, -112.18646. Nearest road: Old Highway 91.

What rocks and minerals can you find at Spencer Opal Mine?+

Spencer Opal Mine is reported to produce Fire Opal.

Is collecting allowed at Spencer Opal Mine?+

Pay-to-dig site. This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out. Always confirm current rules with the managing agency before a trip.

How do I get to Spencer Opal Mine?+

Open the directions link to navigate to 44.36143, -112.18646 in Google Maps. The nearest road is Old Highway 91.

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Open Spencer Opal Mine on the map

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