Agates near Portland, OR

35 of the mapped rockhounding spots within 150 miles of Portland report agate. The closest is Washougal, about 21 miles out (26 min drive).

Agates are banded chalcedony nodules that survive long after their volcanic host rock rots away, which is why they concentrate in gravel bars, beaches, and glacial deposits far from where they formed.

Map of 35 agate collecting spots within 150 miles of Portland, Oregon

Closest agates spots to Portland

Types of agates reported near Portland

Counts reflect how many spots in this radius mention each variety.

Every agate spot within 150 miles of Portland

Sorted by distance from Portland. Tap a row for directions, access status, and nearby trips.

SpotCountyMineralsCoordinatesAccess
WashougalSoutheast 10th StreetClark County45.6165, -122.2735Public
Clear CreekClear Creek RoadColumbia County45.8006, -123.2889Public
KelsoI 5Cowlitz County46.0672, -122.8677Public
Nehalem River gravelsMaple RoadClatsop County45.8905, -123.5569Public
Ocean beachGreat Dune TrailTillamook County45.6936, -123.9399Public
Bob Straub State ParkDune Ridge TrailTillamook County45.1821, -123.9705Public
Willamette RiverSoutheast Goodnight AvenueBenton County44.5348, -123.2471Public
Mt. AdamsPacific Crest TrailSkamania County46.2359, -121.5474Public
Pacific Ocean beachesSleepy Hollow TrailClatsop County46.1594, -123.9697Public
Lucas CreekSenn RoadLewis County46.6389, -122.7723Public
Pe EllJones RoadLewis County46.5737, -123.3035Public
Calapooia River & Ames CreekHalsey-Sweet Home HighwayLinn County44.3514, -122.7890Public
Chandler Mt.Linn County44.3403, -122.6976Public
DotyDoty StreetLewis County46.6425, -123.2800Public
CentraliaEast Carson StreetLewis County46.7461, -122.9415Public
Green CreekGreen Creek RoadPacific County46.5883, -123.6151Public
Long BeachDiscovery TrailPacific County46.3608, -124.0643Public
Agate BeachNorthwest Cherokee LaneLincoln County44.6651, -124.0594Public
Beach Area NewportSouthwest Arbor DriveLincoln County44.5935, -124.0680Public
Ocean ParkBay to Ocean TrailPacific County46.4924, -124.0587Public
WillowdaleThe Dalles-California HighwayJefferson County44.8038, -120.9424Permission
Priday Agate BedsNortheast Pony Butte RoadJefferson County44.7373, -120.9073Paid / fee
AntelopeAntelope HighwayWasco County44.9081, -120.7385Permission
Mt. PisgahTrail #6Lane County44.0057, -122.9645Permission
AshwoodNortheast Trout Creek RoadJefferson County44.7358, -120.7542Permission

Agates near Portland FAQ

Where can I find agates near Portland?+
35 mapped spots within about 150 miles of Portland report agate. The closest is Washougal in Clark County County, roughly 21 miles away (26 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Portland?+
30 of the 35 spots here sit on land mapped as publicly accessible, and 1 is a fee-dig site where you pay for access and keep your finds. Casual hand collecting of common rocks and minerals is allowed on most BLM and Forest Service land with limits set by the local field office; national parks and most state parks are closed to collecting. Confirm current rules with the managing agency before a trip.
What is the fastest way to spot an agate in a gravel bed?+
Look for waxy luster and translucence rather than color. Wet the stone or look right after rain: agate glows softly at thin edges when backlit, while jasper and chert stay opaque. Banding clinches it but is often hidden until the stone is cracked or tumbled.
How far from Portland do I need to drive?+
The nearest agate spot is about 21 miles out, and the farthest on this list is 148 miles. Most fall inside a normal weekend day-trip radius.

Keep exploring from Portland

Agates near other cities

Hunt agates around Portland with the map in your pocket

RockHoundR shows these spots on an offline map with public land overlays, geology layers, weather, and a log for your finds.

Download on the App StoreGet it on Google Play