Jenny Creek: Agate & Carnelian Rockhounding in Siskiyou County, California
- Minerals reported
- 4
- Elevation
- 2,370 ft
- Best months
- September to June
Jenny Creek is a mapped rockhounding spot in Siskiyou County, California. Reported finds include agate, carnelian, petrified wood, fossil. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Generally open to casual rockhounding
- County
- Siskiyou County
- State
- California
- Nearest road
- Copco Road
- Coordinates
- 41.97692, -122.39778
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 Jenny Creek
Comfortable months (45 to 90°F highs)
Best months: September to June. Typical highs run 94°F in midsummer and 49°F in midwinter, with winter lows near 28°F.
Climate normals: NOAA 1991-2020 monthlies, COPCO #1 DAM station (3 mi away), adjusted for elevation.
Geology at Jenny Creek
This spot sits on volcanic flow rocks, unit 17 (Cascade Range), mapped as andesite and basalt that formed roughly 28 to 2 million years ago. Fossils are uncommon in volcanic rock itself; look to any interbedded sediments and ash beds, where plant material and bone are typically preserved.
- Mapped unit
- volcanic flow rocks, unit 17 (Cascade Range)
- Age
- 28–2 Ma (Late Oligocene to Pleistocene)
- Rock types
- andesite and basalt
- Elevation
- 2,370 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
Is today a good day to go?
The app shows live weather, recent rain, and a daily rockhounding score for Jenny Creek.
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 California, Recreational mineral collecting
- California Geological Survey
- CDFW, Suction Dredge Mining Permit Program
- Community submissions reviewed against published agency rules
Found at Jenny Creek
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 Jenny Creek.
- Agate Area (Klamath River)Siskiyou County, California · 2 mi awayAgate, Bloodstone, Jasper
- Hungry CreekSiskiyou County, California · 18 mi awayCassiterite, Copper
- Jones BeachSiskiyou County, California · 41 mi awayOlivine
- Glass MountainSiskiyou County, California · 53 mi awayObsidian
- Happy Camp Jade MinesSiskiyou County, California · 55 mi awayJade, Gold, Serpentine
- Coffee CreekTrinity County, California · 64 mi awayAnthophyllite, Serpentine
- Golden Jubilee MineTrinity County, California · 64 mi awayLimonite, Quartz, Pyrite
- Shelly Creek & Monkey Creek MinesDel Norte County, California · 72 mi awayGold, Arsenopyrite
Across the state line from Jenny Creek
Jenny Creek is close enough to the California border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Green Springs Mt.Jackson County, Oregon · 12 mi awayAgate Nodule, Carnelian, Chalcedony
- Applegate RiverJackson County, Oregon · 37 mi awayBowenite, Jade, Serpentine
- Eagle PointJackson County, Oregon · 38 mi awayMoss Agate, Bloodstone
- Butte FallsJackson County, Oregon · 39 mi awayBloodstone
- Streams around Oregon CavesJosephine County, Oregon · 53 mi awayAgate, Chalcedony, Gold
- Althouse CreekJosephine County, Oregon · 59 mi awayAgate, Garnet, Gold Nugget
Jenny Creek FAQ
Where is Jenny Creek?+
What rocks and minerals can you find at Jenny Creek?+
Is collecting allowed at Jenny Creek?+
What tools should I bring to Jenny Creek?+
When is the best time to visit Jenny Creek?+
How do I get to Jenny Creek?+
More rockhounding in California
See all 104 California spots →
Open Jenny Creek on the map
Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.
