Hampton Butte
Approximate — check official site before visiting
BLM-managed rockhounding area in Lake County, near Burns. Known for petrified wood, agate, jasper, and obsidian. The Oregon Council and BLM conduct regular clean-up events to fill holes left by rockhounds. Free collecting with personal use limits. Part of central Oregon's high desert rockhounding country.
🪨 What You Can Find Here
Petrified Wood
Ancient wood turned to stone. Arizona's Petrified Forest and Washington's Ginkgo Petrified Forest are world-famous.
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Agates
Banded chalcedony prized for their colors and patterns. Lake Superior agates, Fairburn agates, and Montana moss agates are especially famous.
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Jasper
Opaque, fine-grained chalcedony prized for its rich earthy colors and patterns. Oregon, Washington, Idaho, and Alabama produce exceptional jasper varieties.
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Obsidian
Natural volcanic glass formed from rapidly cooled lava. New Mexico, California, Oregon, and Utah produce black, rainbow, mahogany, and snowflake obsidian prized by collectors and knappers.
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📍 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 ...
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. ...
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...
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...
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...
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.
⛏️ Recommended Gear
Make the most of your visit to Hampton Butte 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
Safety Glasses
Mandatory protective gear. Rock chips fly unpredictably when hammering.
Typical: $10-20
Chisel Set
Cold chisels in 3-4 sizes for precise extraction from matrix rock.
Typical: $15-30
Geologist's Pick
A heavier crack hammer for splitting hard rock. Essential for hard rock mining areas.
Typical: $35-60
Sifting Screen
Stackable mesh screens for sifting gravel and dirt. Essential for gem and fossil hunting.
Typical: $20-40
UV Flashlight
Long-wave UV light for finding fluorescent minerals and Yooperlites.
Typical: $15-35