Cape Blanco State Park: Agate & Jasper Rockhounding in Curry County, Oregon

Updated August 2026

Cape Blanco State Park is a mapped rockhounding spot in Curry County, Oregon. Reported finds include agate, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Curry County
State: Oregon
Coordinates: 42.84447, -124.53783

Geology at Cape Blanco State Park

This spot sits on surficial deposits; Alluvial deposits, mapped as mixed fluvial sediment that formed within roughly the last 3 million years. Tough silica like agate, jasper, and chert typically weathers out of beds like these and collects as float in drainages and on deflation surfaces.

Mapped unit: surficial deposits; Alluvial deposits
Age: 3 Ma to present (Quaternary)
Rock types: mixed fluvial sediment
Elevation: 10 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 Cape Blanco State Park

Conditions here are workable year-round, with typical highs from 54°F in winter to 68°F in summer.

Climate normals: NOAA 1991-2020 monthlies, PORT ORFORD #2 station (7 mi away).

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

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 Cape Blanco State Park

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 Cape Blanco State Park.

Across the state line from Cape Blanco State Park

Cape Blanco State Park 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.

Cape Blanco State Park FAQ

Where is Cape Blanco State Park?+

Cape Blanco State Park is in Curry County, Oregon, at 42.84447, -124.53783.

What rocks and minerals can you find at Cape Blanco State Park?+

Cape Blanco State Park is reported to produce Agate, Jasper.

Is collecting allowed at Cape Blanco State Park?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Cape Blanco State Park?+

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 Cape Blanco State Park?+

Cape Blanco State Park is workable year-round.

How do I get to Cape Blanco State Park?+

Open the directions link to navigate to 42.84447, -124.53783 in Google Maps. Some spots are remote, so check road conditions before driving out.

More rockhounding in Oregon

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Open Cape Blanco State Park on the map

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