Conjecture Mine — Rockhounding in Bonner County, Idaho

Conjecture Mine is a mapped rockhounding spot in Bonner County, Idaho. Reported finds include rhodochrosite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Bonner County
State: Idaho
Postcode: 83803
Coordinates: 47.91542, -116.43117

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.

Found at Conjecture Mine

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

Rhodochrosite

Nearby rockhounding spots

Other rockhounding spots within driving distance of Conjecture Mine.

Conjecture Mine FAQ

Where is Conjecture Mine?+

Conjecture Mine is in Bonner County, Idaho, at 47.91542, -116.43117.

What rocks and minerals can you find at Conjecture Mine?+

Conjecture Mine is reported to produce Rhodochrosite.

Is collecting allowed at Conjecture Mine?+

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.

How do I get to Conjecture Mine?+

Open the directions link to navigate to 47.91542, -116.43117 in Google Maps. Some spots are remote — check road conditions before driving out.

More rockhounding in Idaho

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Open Conjecture Mine on the map

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