Rockhounding in Harney County, Oregon

11 mapped rockhounding spots in Harney County. Most commonly produces agate, jasper, petrified wood, fossils.

Harney County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

1 photo

Polished moss agate showing translucent chalcedony with dark dendritic inclusions, a signature material at Warm Springs Reservoir, Harney County, Oregon — Warm Springs ReservoirHarney County, Oregon

Minerals reported in Harney County

Standout in Harney County

Hand-picked spot in Harney County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Warm Springs Reservoir
Permission
Harney County
The high desert around Warm Springs Reservoir, on the Malheur River southeast of Burns, exposes weathered volcanic ground that yields agate, jasper, and petrified wood across public BLM land.
Agate, Chalcedony, Jasper, Petrified Wood

Spots in Harney County

Spot	Minerals	Coordinates	Access
Delintment LakeNational Forest Development Road 43	Ammonite Fossils Fossils	43.9514, -119.5825	Check locally
Harney LakeSouth Harney Lake Lane	Agate Jasper Oolitic Agate Petrified Wood	43.2498, -118.9881	Check locally
Mud Ridge	Obsidian Snowflake Obsidian	43.6427, -119.1602	Check locally
North Beede Reservoir - Site 1US 20	Agate Plume Agate Jasper Petrified Wood Fossils	43.7548, -118.4754	Check locally
North Beede Reservoir - Site 2	Agate Plume Agate Jasper Petrified Wood Fossils	43.7617, -118.4851	Check locally
Pike CreekPike Creek Trail	Thundereggs Jasper Agate Obsidian Fossils Petrified Wood	42.5769, -118.5306	Check locally
Stinkingwater Creek	Petrified Wood Agate Jasper Fossils	43.6666, -118.4670	Check locally
Sylvies Canyon	Wood Opal	43.8583, -119.1137	Public
Warm Springs Reservoir	Agate Chalcedony Jasper Petrified Wood Black Agate	43.6216, -118.2435	Permission
Warm Springs Reservoir - Site 1Warm Springs Road	Agate Plume Agate Jasper Petrified Wood Fossils	43.6450, -118.3052	Check locally
Warm Springs Reservoir - Site 2Warm Springs Road	Agate Plume Agate Jasper Petrified Wood Fossils	43.6395, -118.2855	Check locally

Neighboring counties in Oregon

Adjacent rockhounding counties, ranked by how close their centroids sit to Harney County. A natural extension if Harney County is already on your trip plan.

Across the state line from Harney County

Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into Oregon.

Washington County~99 miIdaho · 3 spotsTop: Amethyst, Banded Agate, Chalcedony

Harney County FAQ

Where can I rockhound in Harney County, Oregon?+

RockHoundR tracks 11 rockhounding spots in Harney County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Harney County?+

Spots in Harney County most often produce Agate, Jasper, Petrified Wood, Fossils, Plume Agate. Individual spots can vary widely.

Are these Harney County rockhounding spots on public land?+

Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

Plan a Harney County rockhounding trip

Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.