Rattlesnake Mt. — Rockhounding in Benton County, Washington
Rattlesnake Mt. is a mapped rockhounding spot in Benton County, Washington. Reported finds include petrified wood, opalized wood. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Rattlesnake Mt. in Benton County, Washington
Quick details
- Access
- Public area
- County
- Benton County
- State
- Washington
- Coordinates
- 46.39571, -119.61312
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.
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 Rattlesnake Mt.
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 Rattlesnake Mt..
- RingoldFranklin County, Washington · 19 mi awayAgate
- Cairn Hope PeakYakima County, Washington · 21 mi awayPetrified Wood, Opalized Wood
- Horse Heaven HillsBenton County, Washington · 21 mi awayOpalized Wood
- MabtonYakima County, Washington · 24 mi awayPetrified Wood, Opalized Wood
- MattawaGrant County, Washington · 28 mi awayOpalized Wood
- Columbia RiverKittitas County, Washington · 34 mi awayOpalized Wood, Petrified Wood
- Petrified Forest State ParkKittitas County, Washington · 43 mi awayOpalized Wood, Petrified Wood
- BickletonKlickitat County, Washington · 50 mi awayAgate, Carnelian, Jasper
Across the state line from Rattlesnake Mt.
Rattlesnake Mt. 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.
Rattlesnake Mt. FAQ
Where is Rattlesnake Mt.?+
What rocks and minerals can you find at Rattlesnake Mt.?+
Is collecting allowed at Rattlesnake Mt.?+
How do I get to Rattlesnake Mt.?+
More rockhounding in Washington
See all 92 Washington spots →Open Rattlesnake Mt. on the map
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