North Beede Reservoir - Site 2: Agate & Plume Agate Rockhounding in Harney County, Oregon
Updated August 2026
North Beede Reservoir - Site 2 is a mapped rockhounding spot in Harney County, Oregon. Reported finds include agate, plume agate, jasper, petrified wood, fossils. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing North Beede Reservoir - Site 2 in Harney County, Oregon
Quick details
- Access
- Check locally
- County
- Harney County
- State
- Oregon
- Coordinates
- 43.76165, -118.48510
Geology at North Beede Reservoir - Site 2
This spot sits on sedimentary rocks; Drewsey Formation, mapped as tuffaceous sediment, fossils: plant fossils vertebrates fossils, and tuff that formed roughly 23 to 5 million years ago. Fossils are uncommon in volcanic rock itself; look to any interbedded sediments and ash beds, where plant material and bone are typically preserved.
- Mapped unit
- sedimentary rocks; Drewsey Formation
- Age
- 23–5 Ma (Miocene)
- Rock types
- tuffaceous sediment, fossils: plant fossils vertebrates fossils, and tuff
- Elevation
- 3,740 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 North Beede Reservoir - Site 2
Best months: March to November. Typical highs run 89°F in midsummer and 35°F in midwinter, with winter lows near 16°F.
Climate normals: NOAA 1991-2020 monthlies, DREWSEY station (6 mi away), adjusted for elevation.
Land & collecting status
Confirm rules before collecting
Land status here is not confirmed. Verify with the managing agency before collecting — federal, state, and tribal rules differ.
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:
- BLM Oregon/Washington — Rockhounding & mineral material
- Oregon Department of Geology and Mineral Industries (DOGAMI)
- Oregon Parks and Recreation Department — beach collecting rules
- Community submissions reviewed against published agency rules
Found at North Beede Reservoir - Site 2
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of North Beede Reservoir - Site 2.
- North Beede Reservoir - Site 1Harney County, Oregon · 1 mi awayAgate, Plume Agate, Jasper
- Stinkingwater CreekHarney County, Oregon · 7 mi awayPetrified Wood, Agate, Jasper
- Warm Springs Reservoir - Site 1Harney County, Oregon · 12 mi awayAgate, Plume Agate, Jasper
- Warm Springs Reservoir - Site 2Harney County, Oregon · 13 mi awayAgate, Plume Agate, Jasper
- Warm Springs ReservoirTop pick in OregonHarney County, Oregon · 15 mi awayAgate, Chalcedony, Jasper
- Warm Springs Reservoir - Site 4Malheur County, Oregon · 20 mi awayAgate, Plume Agate, Jasper
- Warm Springs Reservoir - Site 3Malheur County, Oregon · 20 mi awayAgate, Plume Agate, Jasper
- Beulah ReservoirMalheur County, Oregon · 20 mi awayFossils, Agate
Across the state line from North Beede Reservoir - Site 2
North Beede Reservoir - Site 2 is close enough to the Oregon border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Graveyard PointOwyhee County, Idaho · 74 mi awayPlume Agate, Moss Agate, Agate
- HomedaleOwyhee County, Idaho · 74 mi awayAgate, Plume Agate
- Succor CreekTop pick in IdahoOwyhee County, Idaho · 77 mi awayRed Agate, Green Agate
- Grouse CreekWashington County, Idaho · 78 mi awayBanded Agate, Iris Agate, Chalcedony
- Hog CreekWashington County, Idaho · 79 mi awayThundereggs, Amethyst
