Green Creek: Agate & Carnelian Rockhounding in Pacific County, Washington

Updated June 2026

Green Creek is a mapped rockhounding spot in Pacific County, Washington. Reported finds include agate, carnelian, chalcedony, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Pacific County
State: Washington
Nearest road: Green Creek Road
Postcode: 98577
Coordinates: 46.58828, -123.61508

Geology at Green Creek

This spot sits on alluvium, mapped as sand and gravel 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: alluvium
Age: 3 Ma to present (Quaternary)
Rock types: sand and gravel
Elevation: 120 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 Green Creek

Conditions here are workable year-round, with typical highs from 48°F in winter to 71°F in summer.

Climate normals: NOAA 1991-2020 monthlies, RAYMOND 2 S 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

Washington Geological Survey (DNR)
Stonerose Interpretive Center — Visit & rules
BLM Spokane District
Community submissions reviewed against published agency rules

Found at Green Creek

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 Green Creek.

Across the state line from Green Creek

Green Creek is close enough to the Washington border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Green Creek FAQ

Where is Green Creek?+

Green Creek is in Pacific County, Washington, at 46.58828, -123.61508. Nearest road: Green Creek Road.

What rocks and minerals can you find at Green Creek?+

Green Creek is reported to produce Agate, Carnelian, Chalcedony, Jasper.

Is collecting allowed at Green Creek?+

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 Green Creek?+

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 Green Creek?+

Green Creek is workable year-round.

How do I get to Green Creek?+

Open the directions link to navigate to 46.58828, -123.61508 in Google Maps. The nearest road is Green Creek Road.

More rockhounding in Washington

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Open Green Creek on the map

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