Bickleton: Agate & Carnelian Rockhounding in Klickitat County, Washington
Updated July 2026
Bickleton is a mapped rockhounding spot in Klickitat County, Washington. Reported finds include agate, carnelian, jasper, opalized wood. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Bickleton in Klickitat County, Washington
Quick details
- Access
- Permission required
- County
- Klickitat County
- State
- Washington
- Nearest road
- Tomith Road
- Coordinates
- 46.01990, -120.51515
Geology at Bickleton
This spot sits on Roza Member, Wanapum Basalt, mapped as basalt flows (roza member [crb and wb]) that formed roughly 23 to 5 million years ago. Petrified wood typically comes from volcanic ash beds like the ones associated with this ground, where buried forests were slowly replaced by silica.
- Mapped unit
- Roza Member, Wanapum Basalt
- Age
- 23–5 Ma (Miocene)
- Rock types
- basalt flows (roza member [crb and wb])
- Elevation
- 3,560 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 Bickleton
Best months: March to October. Typical highs run 81°F in midsummer and 33°F in midwinter, with winter lows near 19°F.
Climate normals: NOAA 1991-2020 monthlies, SATUS PASS 2 SSW station (9 mi away), adjusted for elevation.
Land & collecting status
Permission required before collecting
Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.
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:
- Washington Geological Survey (DNR)
- Stonerose Interpretive Center — Visit & rules
- BLM Spokane District
- Community submissions reviewed against published agency rules
Found at Bickleton
Each chip 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 Bickleton.
- MabtonYakima County, Washington · 27 mi awayPetrified Wood, Opalized Wood
- Horse Heaven HillsBenton County, Washington · 33 mi awayOpalized Wood
- Klickitat RiverKlickitat County, Washington · 38 mi awayPetrified Wood
- LyleKlickitat County, Washington · 42 mi awayPetrified Wood
- Cairn Hope PeakYakima County, Washington · 46 mi awayPetrified Wood, Opalized Wood
- Rattlesnake Mt.Benton County, Washington · 50 mi awayPetrified Wood, Opalized Wood
- Mt. AdamsSkamania County, Washington · 52 mi awayAgate, Carnelian, Chalcedony
- MattawaGrant County, Washington · 61 mi awayOpalized Wood
Across the state line from Bickleton
Bickleton 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.
- John Day River at Cottonwood Canyon State ParkGilliam County, Oregon · 38 mi awayAgate, Jasper, Petrified Wood
- Chenowith CreekWasco County, Oregon · 45 mi awayOpalized Wood
- MosierWasco County, Oregon · 48 mi awayPetrified Wood, Silicified Pine Cones
- General AreaMorrow County, Oregon · 68 mi awayNodules Filled With Opal
- Wheeler High School Fossil BedsWheeler County, Oregon · 72 mi awayFossils
- AntelopeWasco County, Oregon · 78 mi awayAgate, Chalcedony, Geode
