S Umpqua River: Agate & Chalcedony Rockhounding in Douglas County, Oregon
- Minerals reported
- 6
- Elevation
- 470 ft
- Best months
- Year-round
S Umpqua River is a mapped rockhounding spot in Douglas County, Oregon. Reported finds include agate, chalcedony, carnelian, jasper, petrified wood, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Generally open to casual rockhounding
- County
- Douglas County
- State
- Oregon
- Nearest road
- Amber Lane
- Postcode
- 97496
- Coordinates
- 43.16493, -123.39450
Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.
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.
Best time to visit S Umpqua River
Comfortable months (45 to 90°F highs)
Conditions here are workable year-round, with typical highs from 51°F in winter to 88°F in summer.
Climate normals: NOAA 1991-2020 monthlies, ROSEBURG station (5 mi away).
Geology at S Umpqua River
This spot sits on surficial deposits; Alluvial deposits, mapped as mixed fluvial sediment that formed within roughly the last 3 million years. Sedimentary beds like these are the typical host for petrified and silicified wood, which weathers out as durable float on slopes and in washes.
- Mapped unit
- surficial deposits; Alluvial deposits
- Age
- 3 Ma to present (Quaternary)
- Rock types
- mixed fluvial sediment
- Elevation
- 470 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.
Today's weather
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The app shows live weather, recent rain, and a daily rockhounding score for S Umpqua River.
Get the appSources & 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:
- 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 S Umpqua River
Each name 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 S Umpqua River.
- Umpqua RiverDouglas County, Oregon · 4 mi awayOregon Jade
- South Fork Umpqua River - Myrtle CreekDouglas County, Oregon · 11 mi awayAgate, Jasper, Quartz
- Nickel Mountain Mine - RiddleDouglas County, Oregon · 16 mi awayGarnierite, Chrysoprase
- South Umpqua BridgeDouglas County, Oregon · 17 mi awayQuartz, Agate, Jasper
- Island Creek Day Use AreaDouglas County, Oregon · 18 mi awayGold
- South Umpqua River Gravel BarsDouglas County, Oregon · 21 mi awayAgate, Jasper, Carnelian
- Swiftwater ParkDouglas County, Oregon · 23 mi awayAgate, Jasper, Quartz
- N Umpqua RiverDouglas County, Oregon · 25 mi awayAgate, Chalcedony, Carnelian
S Umpqua River FAQ
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More rockhounding in Oregon
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Open S Umpqua River on the map
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