Rockhounding in Idaho

Explore 5 rockhounding locations in Idaho

Idaho is famous for star garnets (found only here and India), opals, agates, and the stunning jaspers of the Owyhee region.

State Rock: Granite
State Gem: Star Garnet
State Mineral: Silver
State Fossil: Hagerman Horse

5 Rockhounding Locations

Spencer Opal Mine

Spencer, Idaho · Fee Dig

The only opal mine in the US open for public digging. Dig through volcanic rhyolite to find fire opals with brilliant red, orange, and green play-of-c...

Opals

Emerald Creek Garnet Area

Clarkia, Idaho · USFS

The only place in the world (outside India) where star garnets are found. USFS-designated garnet collecting area. Stunning four-ray star garnets.

Garnets

Homedale / Owyhee Jasper

Homedale, Idaho · BLM Land

The Owyhee region produces some of the world's finest jasper including Morrisonite, Willow Creek, and Bruneau jasper. World-class lapidary material.

JasperAgatesPetrified Wood

Bruneau River Canyon

Bruneau, Idaho · BLM Land

Famous for Bruneau jasper — one of the most beautiful and sought-after jaspers in the world. Deep canyon country requiring 4WD.

JasperAgates

Woodward Reservoir Agates

Council, Idaho · BLM Land

BLM land known for beautiful agate and jasper. Part of the prolific rockhounding region of west-central Idaho.

AgatesJasp Agate

⛏️ Gear for Idaho Rockhounding

Here's the essential gear recommended for rockhounding in Idaho.

Rock Hammer

The most essential rockhounding tool. Choose a hammer with both a flat striking face and a pointed pick end.

Typical: $25-45

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Safety Glasses

Mandatory protective gear. Rock chips fly unpredictably when hammering.

Typical: $10-20

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Chisel Set

Cold chisels in 3-4 sizes for precise extraction from matrix rock.

Typical: $15-30

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Geologist's Pick

A heavier crack hammer for splitting hard rock. Essential for hard rock mining areas.

Typical: $35-60

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Sifting Screen

Stackable mesh screens for sifting gravel and dirt. Essential for gem and fossil hunting.

Typical: $20-40

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UV Flashlight

Long-wave UV light for finding fluorescent minerals and Yooperlites.

Typical: $15-35

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