Salmon River (near Leesburg): Gold Prospecting in Lemhi County, Idaho

Updated June 2026

Salmon River (near Leesburg) is a mapped rockhounding spot in Lemhi County, Idaho. Reported finds include gold. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Lemhi County
State: Idaho
Nearest road: Salmon River Road
Postcode: 83469
Coordinates: 45.38668, -114.26770

Geology at Salmon River (near Leesburg)

This spot sits on Megacrystic granite and augen gneiss (orthogneiss) in the Clearwater and Bitterroot Mountains, mapped as granite and augen gneiss that formed roughly 1600 to 1000 million years ago. Gold in granitic terrain like this is typically tied to quartz veins along contacts and shear zones, with placer color in the streams that drain them.

Mapped unit: Megacrystic granite and augen gneiss (orthogneiss) in the Clearwater and Bitterroot Mountains
Age: 1600–1000 Ma (Mesoproterozoic)
Rock types: granite and augen gneiss
Elevation: 3,410 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 Salmon River (near Leesburg)

Best months: March to October. Typical highs run 90°F in midsummer and 31°F in midwinter, with winter lows near 17°F.

Climate normals: NOAA 1991-2020 monthlies, SHOUP 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 Salmon River (near Leesburg)

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

Gold Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Salmon River (near Leesburg).

Across the state line from Salmon River (near Leesburg)

Salmon River (near Leesburg) is close enough to the Idaho border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Salmon River (near Leesburg) FAQ

Where is Salmon River (near Leesburg)?+

Salmon River (near Leesburg) is in Lemhi County, Idaho, at 45.38668, -114.26770. Nearest road: Salmon River Road.

What rocks and minerals can you find at Salmon River (near Leesburg)?+

Salmon River (near Leesburg) is reported to produce Gold.

Is collecting allowed at Salmon River (near Leesburg)?+

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 Salmon River (near Leesburg)?+

A gold pan, a classifier screen, a small shovel, and a snuffer bottle cover the basics. Motorized equipment and sluices fall under separate rules in most states, so start with hand tools.

When is the best time to visit Salmon River (near Leesburg)?+

The most comfortable months at Salmon River (near Leesburg) are March to October.

How do I get to Salmon River (near Leesburg)?+

Open the directions link to navigate to 45.38668, -114.26770 in Google Maps. The nearest road is Salmon River Road.

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