ThomsoniteOR
Columbia River Shore
Columbia River shore is a documented mineral occurrence near OR. Reported specimens include Thomsonite. Verify land access and collecting rules before visiting.
View detailsRockhounding sites near Portland
24 rockhounding collecting sites within about 90 miles of Portland, Oregon.
This page lists 24 natural rockhounding sites near Portland, Oregon, sorted by distance within about 90 miles.
Where can you collect near Portland?
Near Portland, Oregon, our directory maps 24 natural rockhounding sites within about 90 miles of the city center — including 2 agate & jaspers, 13 gold & mineralss, and 9 others. The closest mapped spot is Columbia River Shore (20 mi straight-line). Distances are not drive time; open each listing for directions, fee notes, access rules, and safety context before you travel.
At a glance — rockhounding sites near Portland
| Central place | Portland, Oregon |
|---|---|
| Search radius | About 90 miles |
| Mapped spots | 24 |
| Closest listing | Columbia River Shore (20 mi) |
| Specimen types | Agate & Jasper (2), Gold & Minerals (13), Other (9) |
| Typical fees | 24 varies |
All rockhounding sites near Portland
24 rockhounding collecting sites in Oregon, sorted by distance from the city center. For live GPS sorting, use rockhounding sites near me.
AgateOR
Clear Creek
Clear Creek is a documented mineral occurrence near OR. Reported specimens include Plume Agate, Carnelian, Jasper, Chalcedony. Verify land access and collecting rules before visiting.
View detailsnatural zeoliteOR
Globe
Globe — natural zeolite occurrence in Columbia, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View details
GoldOR
Red Rock Group
Red Rock Group — gold occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsGoldOR
Wildcat Tunnel
Wildcat tunnel — gold occurrence in Clackamas, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailszincOR
Blende Oro
Blende Oro — zinc, lead, gold, silver, copper occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailszincOR
Upper Tunnel-east Prospect
Upper Tunnel-East prospect — zinc, silver, lead, gold occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsMineralOR
Gold Creek M And M Upper Tunnel
Gold Creek M and M Upper Tunnel — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailszincOR
Silver Star And Helvetia
Silver Star and Helvetia — zinc, copper, gold, silver occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailszincOR
Wolz Property (upper Adit)
Wolz Property (upper adit) — zinc, copper, gold, silver occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsAgateOR
Nehalem River Gravels
Nehalem River gravels is a documented mineral occurrence near OR. Reported specimens include Agate, Carnelian, Jasper. Verify land access and collecting rules before visiting.
View detailsAzuriteOR
Riverside Claim
Riverside Claim is a known mineral occurrence in Marion, Oregon, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite.
View detailsMineralOR
Big Boy 14
Big Boy 14 — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsAzuriteOR
North Santiam Copper
North Santiam Copper is a known mineral occurrence in Marion, Oregon, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Malachite, Molybdenite.
View detailsMineralOR
Silver Spring (lower)
Silver Spring (lower) — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsMineralOR
Seattle Mine
Seattle Mine — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsMineralOR
Matterhorn
Matterhorn — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsMineralOR
Sue 1
Sue 1 — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsAzuriteOR
Mineral Harbor Group
Mineral Harbor Group is a known mineral occurrence in Marion, Oregon, documented by the USGS Mineral Resources Data System. Reported specimens include Azurite, Chrysocolla, Copper, Galena, Gold, Malachite.
View detailsMineralOR
King No.6 Discovery Cut
King No.6 discovery cut — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsMineralOR
Dolores No.1
Dolores No.1 — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsMineralOR
Black Prince
Black Prince — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsMineralOR
King No.5
King No.5 — copper, zinc, gold, silver, lead occurrence in Marion, documented by the Oregon Department of Geology and Mineral Industries (DOGAMI MILO-3).
View detailsMineralOR
Bueche Group
Bueche Group is a known mineral occurrence in Marion, Oregon, documented by the USGS Mineral Resources Data System. Reported specimens include Galena, Gold, Silver, Sphalerite.
View detailsMap of rockhounding sites near Portland
Pins within about 90 miles — open a listing for fees, access, and directions.
24 sites mapped near Portland
Closest sites by distance
- Columbia River Shore — 20 mi · Thomsonite
- Clear Creek — 35 mi · Agate
- Globe — 36 mi · natural zeolite
- Red Rock Group — 46 mi · Gold
- Wildcat Tunnel — 46 mi · Gold
- Blende Oro — 49 mi · zinc
- Upper Tunnel-east Prospect — 49 mi · zinc
- Gold Creek M And M Upper Tunnel — 49 mi · Mineral
- Silver Star And Helvetia — 49 mi · zinc
- Wolz Property (upper Adit) — 49 mi · zinc
- Nehalem River Gravels — 50 mi · Agate
- Riverside Claim — 50 mi · Azurite
- Big Boy 14 — 50 mi · Mineral
- North Santiam Copper — 51 mi · Azurite
- Silver Spring (lower) — 51 mi · Mineral
Types of rockhounding sites near Portland
Browse by specimen type in Oregon — each link opens the full state directory for that category.
Agate & Jasper (2)
Where to find agates and jasper in the U.S. — Lake Superior beaches, Ellensburg blue, Wyoming Sweetwater fields, Texas Terlingua, Mojave desert beds, and colorful chalcedony shorelines.
Gold & Minerals (13)
Placer gold, pyrite, copper minerals, and general ore-mineral localities open to casual collecting.
Other (9)
Mixed or specialty collecting — zeolites, fluorescent minerals, thundereggs, and unique regional finds.
Natural collecting sites in the Portland area
Portland is a practical launch point for day trips to natural rockhounding sites in Oregon. Within about 90 miles you will find 24 mapped destinations in our directory, starting with Columbia River Shore about 20 mi from the city center.
The mix spans agate & jasper, gold & minerals, other — related terms searchers use include creek gravel collecting, desert washes, road cuts, and field collecting.
How distances work near Portland
Every card on this page is a verified directory entry in Oregon with map coordinates. We measure straight-line distance from the Portland city center — not driving time. A creek rockhounding site 12 miles away on forest roads can take longer than a river access point 20 miles away on a highway.
Field collecting near Portland includes informal gravel bars, dry washes, quarry faces, and developed park collecting areas. Rules, fees, and seasonal access differ by land manager. Never assume collecting is allowed without checking the listing and posted signs the day you visit.
Safety and field conditions near you
Field conditions near Portland change after rain, snowmelt, and summer heat. Unstable slopes, heat exhaustion, loose rock, and flash floods are real risks at creek and quarry rockhounding sites — most sites have no supervision. Check weather and local advisories before you start digging.
We publish original planning copy, safety tips, and last-updated dates on each listing. See our editorial policy for sourcing standards, or contact us if access or conditions have changed.
Rockhounding sites near Portland — FAQ
Where can you collect near Portland?
Near Portland, Oregon, our directory lists 24 natural rockhounding sites within about 90 miles — mainly 2 agate & jaspers, 13 gold & mineralss, and 9 others. Each listing links to directions, fee notes, and safety context. Use near me on your phone for live distance sorting from your location.
How many rockhounding sites are near Portland, Oregon?
This page shows 24 mapped rockhounding collecting sites within about 90 miles of Portland. The full Oregon directory may list additional holes farther out or awaiting coordinates. Counts update as we verify new listings.
What is the closest rockhounding site to Portland?
The closest mapped spot to Portland is Columbia River Shore (20 mi straight-line). Open that listing for driving directions, access notes, and current fee information — unofficial holes can change without notice.
Are rockhounding sites near Portland free?
24 have variable or unverified fees. Open each spot page for current fee details.
What types of rockhounding sites are near Portland?
Near Portland, documented specimen types include agate & jaspers, gold & mineralss, others. A rockhounding site is a natural outcrop, wash, or creek gravel bar — not a fee dig or shop. Filter by type on the Oregon state page or open each card for specimen and access details.
When is the best time to visit rockhounding sites near Portland?
Late spring through early fall is the usual field season near Portland, but snowmelt, drought, and weekend crowds change conditions week to week. Check each listing before you drive — storms can make washes and creek banks unsafe.
Is it safe to collect near Portland?
Field collecting near Portland carries real risks: unstable slopes, heat, loose rock, and no rangers at most unofficial sites. Check weather and posted warnings the day you visit. Read our rockhounding safety basics guide and each listing's safety section before you dig.
Listing data last updated across spots on this page.