RockHoundR
Back to map

North Beede Reservoir: Agate & Plume Agate Rockhounding in Harney County, Oregon

Check locally5 mineralsHarney County, OregonUpdated August 2026
Minerals reported
5
Elevation
3,680 ft
Best months
March to November

North Beede Reservoir is a mapped rockhounding spot in Harney County, Oregon. Reported finds include agate, plume agate, jasper, petrified wood, fossil. Below: coordinates, access notes, nearby spots, and trip-planning links.

Plan your visit

Confirm rules before collecting

State
Oregon
Nearest road
US 20
Get directionsView on Google Maps

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

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.

Best time to visit North Beede Reservoir

Comfortable months (45 to 90°F highs)

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.

Geology at North Beede Reservoir

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
3,680 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.

Today's weather

Is today a good day to go?

The app shows live weather, recent rain, and a daily rockhounding score for North Beede Reservoir.

Get the app

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:

Found at North Beede Reservoir

Each name 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.

Across the state line from North Beede Reservoir

North Beede Reservoir 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.

North Beede Reservoir FAQ

Where is North Beede Reservoir?+
North Beede Reservoir is in Harney County, Oregon, at 43.75478, -118.47545. Nearest road: US 20.
What rocks and minerals can you find at North Beede Reservoir?+
North Beede Reservoir is reported to produce Agate, Plume Agate, Jasper, Petrified Wood, Fossil.
Is collecting allowed at North Beede Reservoir?+
Confirm rules before collecting. Land status here is not confirmed. Verify with the managing agency before collecting, federal, state, and tribal rules differ. Always confirm current rules with the managing agency before a trip.
What tools should I bring to North Beede Reservoir?+
A rock hammer, a cold chisel, safety glasses, and newspaper or foam for wrapping finds cover most fossil ground. A trowel and a sieve help in soft exposures.
When is the best time to visit North Beede Reservoir?+
The most comfortable months at North Beede Reservoir are March to November.
How do I get to North Beede Reservoir?+
Open the directions link to navigate to 43.75478, -118.47545 in Google Maps. The nearest road is US 20.

More rockhounding in Oregon

See all 181 Oregon spots →

Open North Beede Reservoir on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.

Download on the App StoreGet it on Google Play
QR code that opens RockHoundR in your phone's app store
Get directionsDirections