Where to Find Silicified Wood in the United States

41 mapped silicified wood spots across 12 U.S. states. Silicified Wood is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.

Map showing where to find silicified wood across the United States, with 41 mapped spots

Top states for silicified wood

States ranked by number of silicified wood spots in our database. States in bold link to a focused silicified wood-in-state list.

Every silicified wood spot we track

Sorted by state and county. Coordinates open in Google Maps.

SpotCountyMineralsCoordinatesAccess
Tuscaloosa Rockhounding AreaEbenezer LaneTuscaloosa County33.0851, -87.5508Check locally
Quincy AreaPorter Mitchell RoadGadsden County30.6766, -84.5566Public
Unnamed Area (Silicified Wood)Mine LoopGadsden County30.6886, -84.4349Public
ColumbusMuscogee County32.4376, -84.7973Public
Graves CountyKY 121Graves County36.6705, -88.5417Public
BeltsvilleBay Hill DrivePrince George's County39.0646, -76.9285Public
Frying Pan BasinBeaverhead County45.2933, -112.7336Public
VaughnSunnyside AvenueCascade County47.5691, -111.5511Public
Yellowstone RiverMyers LanePark County45.6285, -110.5678Public
Platte Center44 1/2 RoadButler County41.3965, -97.3258Public
GerlachOld State Route 34Washoe County40.6650, -119.3701Public
Mud Springs MountainsSierra County33.1665, -107.2975Public
BethesdaJones CircleDurham County35.9587, -78.8474Public
MedoraI 94Billings County46.9233, -103.4921Public
BismarkGallatin LoopBurleigh County46.7597, -100.8355Public
Hettinger CountyState Highway 8Hettinger County46.5117, -102.3170Public
McKenzie CountyMcKenzie County47.9824, -103.8391Public
Cannonball RiverSioux County46.3596, -100.9431Public
N Umpqua RiverSmith Springs LaneDouglas County43.2977, -122.9391Check locally
S Umpqua RiverAmber LaneDouglas County43.1649, -123.3945Check locally
Calapooia River & Ames CreekHalsey-Sweet Home HighwayLinn County44.3514, -122.7890Check locally
FeastervilleOld Lincoln HighwayBucks County40.1530, -74.9537Public
HarrisburgPleasant View RoadYork County40.1651, -76.8443Public
Parker PeakFall River County43.4053, -103.6753Public
Spearfish CanyonUS Highway 14ALawrence County44.3470, -103.9244Public
Whitewood CreekWhitewood Valley RoadLawrence County44.5465, -103.5639Public
SW of FreerDuval County27.7726, -98.7653Public
WoodsideDinosaur Diamond Prehistoric HighwayEmery County39.2016, -110.3346Public
Circle CliffsGarfield County37.9962, -111.1291Public
Kanab CreekCreekside DriveKane County37.0188, -112.5348Public
CharlestonConnell RoadKanawha County38.3073, -81.6573Public
Warm SpringsEmigrant TrailFremont County42.4908, -108.1721Public
Crazy Woman CreekI 90Johnson County44.2548, -106.4263Public
KemmererEmigrant TrailLincoln County41.8114, -110.4780Public
Eden ValleySweetwater County42.0291, -109.5405Public
FarsonSweetwater County42.1694, -109.4311Public
Green RiverSweetwater County41.5167, -109.7124Public
Red DesertTipton-North RoadSweetwater County41.8194, -108.2799Public
Rock SpringsSweetwater County41.6163, -109.1605Public
Sweetwater CountyWY 374Sweetwater County41.5388, -109.4846Public
Thorofare WildernessFox Park-Yellowstone TrailTeton County44.1233, -110.1169Public

Silicified Wood rockhounding FAQ

Where is the best place to find silicified wood in the U.S.?+
Wyoming, North Dakota, Montana have the highest concentrations of silicified wood in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many silicified wood rockhounding spots does RockHoundR track?+
41 mapped spots across 12 states. The app keeps these on a map alongside your private finds.
Can I legally collect silicified wood on public land?+
Casual hand collecting of common rocks and minerals like silicified wood is allowed on most BLM and U.S. Forest Service land, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always check with the managing agency before a trip.
How do I identify silicified wood in the field?+
Field identification of silicified wood comes down to color, hardness, fracture, and luster. The RockHoundR app links to geology details for each spot to help narrow down what you might be picking up.

Hunt silicified wood on the map

Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.

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