Fischer Canyon

Prineville, Oregon
🌍 Land Type: national-forest
💰 Fee: Free
Approximate — check official site before visiting
📅 Season: Spring-Fall
📊 Difficulty: moderate

USFS-managed rockhounding site in the Ochoco National Forest near Prineville. Known for agate, calcite, and jasper deposits. Part of central Oregon's rich rockhounding region in Crook County, widely known for its thundereggs, agates, and jaspers.

Agates Calcite Jasper 🪨 Rockhounding

🪨 What You Can Find Here

Agates

Banded chalcedony prized for their colors and patterns. Lake Superior agates, Fairburn agates, and Montana moss agates are especially famous.

Also found at:

Calcite

Common but versatile carbonate mineral that forms in many crystal habits. Found in geodes, cave deposits, and veins throughout the US.

Also found at:

Jasper

Opaque, fine-grained chalcedony prized for its rich earthy colors and patterns. Oregon, Washington, Idaho, and Alabama produce exceptional jasper varieties.

Also found at:

📍 Nearby Locations in Oregon

Glass Buttes

Burns, Oregon · BLM Land

BLM area between Bend and Burns on Hwy 20, considered the largest obsidian deposit in the world. Access via gravel road at milepost 77 (about 4 miles ...

Obsidian

Juniper Ridge

Brothers, Oregon · BLM Land

BLM collecting area in central Oregon's high desert, northeast of Brothers near the Ochoco National Forest. Known for thundereggs, agate, and jasper. ...

Thunder EggsAgatesJasper

Maury Mountain Thundereggs

Prineville, Oregon · BLM Land

BLM and Ochoco National Forest area off Highway 380 for collecting thundereggs and a wide variety of agates. Produces green, red, brown and golden mos...

Thunder Eggs

Polka Dot Agate Mine

Nyssa, Oregon · Fee Dig

Fee-dig mine on the Priday Agate Beds in the Central Oregon desert near Ashwood, known for unique polka dot agate (orbicular jasper) with round patter...

Agates

Priday Agate Beds

Madras, Oregon · Fee Dig

Classic Oregon collecting site for blue agate, plume agate, and thundereggs. Located in the rich agate beds of central Oregon. Discovered in 1928 by t...

AgatesThunder Eggs

Richardson Rock Ranch

Madras, Oregon · Fee Dig

Oregon's most famous thunderegg collecting ranch. Multiple dig sites on the property. Pay per bucket. Oregon's state rock.

Thunder EggsAgatesJasper

⛏️ Recommended Gear

Make the most of your visit to Fischer Canyon with the right equipment.

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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