Aberdeen: Flower Jasper Rockhounding in Grays Harbor County, Washington

Updated June 2026

Aberdeen is a mapped rockhounding spot in Grays Harbor County, Washington. Reported finds include flower jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Grays Harbor County
State: Washington
Nearest road: Bonge Avenue West
Postcode: 98595
Coordinates: 46.85048, -124.11348

Geology at Aberdeen

This spot sits on ground mapped as water that formed within roughly the last 12,000 years. Tough silica like agate and jasper typically survives weathering and collects as float in drainages and gravel.

Mapped unit: water
Age: < 1 Ma (Holocene)
Elevation: 0 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 Aberdeen

Conditions here are workable year-round, with typical highs from 49°F in winter to 66°F in summer.

Climate normals: NOAA 1991-2020 monthlies, GRAYLAND station (4 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 Aberdeen

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Flower Jasper Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Aberdeen.

Across the state line from Aberdeen

Aberdeen 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.

Aberdeen FAQ

Where is Aberdeen?+

Aberdeen is in Grays Harbor County, Washington, at 46.85048, -124.11348. Nearest road: Bonge Avenue West.

What rocks and minerals can you find at Aberdeen?+

Aberdeen is reported to produce Flower Jasper.

Is collecting allowed at Aberdeen?+

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 Aberdeen?+

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 Aberdeen?+

Aberdeen is workable year-round.

How do I get to Aberdeen?+

Open the directions link to navigate to 46.85048, -124.11348 in Google Maps. The nearest road is Bonge Avenue West.

More rockhounding in Washington

See all 92 Washington spots →

Open Aberdeen on the map

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