Agness Bar: Quartz & Chalcedony Rockhounding in Curry County, Oregon

Updated August 2026

Agness Bar is a mapped rockhounding spot in Curry County, Oregon. Reported finds include quartz, chalcedony, agate, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Check locally
County: Curry County
State: Oregon
Nearest road: Forest Road 33
Postcode: 97406
Coordinates: 42.55013, -124.06398

Geology at Agness Bar

This spot sits on surficial deposits; Alluvial deposits, mapped as dune sand, marine terrace, mixed fluvial sediment, mixed glacial sediment, beach sand, and gray; mineralogy: quartz rich that formed within roughly the last 3 million years. Gravels like these concentrate whatever survives the river: agate, jasper, and other tough silica typically show up as rounded, waxy stones.

Mapped unit: surficial deposits; Alluvial deposits
Age: 3 Ma to present (Quaternary)
Rock types: dune sand, marine terrace, mixed fluvial sediment, mixed glacial sediment, beach sand, and gray; mineralogy: quartz rich
Elevation: 170 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 Agness Bar

Best months: September to June. Typical highs run 91°F in midsummer and 52°F in midwinter, with winter lows near 38°F.

Climate normals: NOAA 1991-2020 monthlies, ILLAHE station (5 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: April 1, 2026

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 Agness Bar

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 Agness Bar.

Across the state line from Agness Bar

Agness Bar 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.

Agness Bar FAQ

Where is Agness Bar?+

Agness Bar is in Curry County, Oregon, at 42.55013, -124.06398. Nearest road: Forest Road 33.

What rocks and minerals can you find at Agness Bar?+

Agness Bar is reported to produce Quartz, Chalcedony, Agate, Jasper.

Is collecting allowed at Agness Bar?+

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 Agness Bar?+

Most agate and jasper is surface float: bring a spray bottle, a pick or small shovel, and a sturdy bag. Wet stones show their banding and translucence.

When is the best time to visit Agness Bar?+

The most comfortable months at Agness Bar are September to June.

How do I get to Agness Bar?+

Open the directions link to navigate to 42.55013, -124.06398 in Google Maps. The nearest road is Forest Road 33.

More rockhounding in Oregon

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Open Agness Bar on the map

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