Where to Find Silicified Wood
42 mapped silicified wood spots across 18 regions. Pick a region for its local guide, or browse every spot below. 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.
Every mapped silicified wood spot
Best spotGraves CountyGraves County, KentuckyPublic access · Agate, Chalcedony, Chert +3
Best spotBismarckBurleigh County, North DakotaPublic access · Agate, Chalcedony, Silicified Wood +1
Best spotMcKenzie CountyMcKenzie County, North DakotaPublic access · Montana Moss Agate, Jasper, Silicified Wood
Best spotMedoraBillings County, North DakotaPermission required · Agate, Chalcedony, Silicified Wood
Best spotTuskegee National ForestMacon County, AlabamaPublic access · Petrified Wood, Silicified Wood, Fossil
Best spotQuincy AreaGadsden County, FloridaPublic access · Silicified Wood, Fossil
Best spotKemmererLincoln County, WyomingPublic access · Turritella Agate, Chalcedony, Chert +4- Best spotWarm SpringsFremont County, WyomingPublic access · Agate, Chalcedony, Jasper +4
- Best spotSpearfish CanyonLawrence County, South DakotaPublic access · Amethyst, Geode, Chalcedony +1
Best spotWhitewood CreekLawrence County, South DakotaPermission required · Amethyst, Geode, Chalcedony +1- Best spotEden ValleySweetwater County, WyomingPublic access · Silicified Wood
Sweetwater CountySweetwater County, WyomingPublic access · Agate, Chalcedony, Chert +5- HarrisburgYork County, PennsylvaniaPublic access · Agate, Amethyst, Chalcedony +4
- WoodsideEmery County, UtahPublic access · Agate, Carnotite, Chalcedony +4
- FarsonSweetwater County, WyomingPublic access · Agate, Chalcedony, Chert +3
- FeastervilleBucks County, PennsylvaniaPublic access · Sunstone, Agate, Feldspar +3
- N Umpqua RiverDouglas County, OregonPublic access · Agate, Chalcedony, Carnelian +3
- Red DesertSweetwater County, WyomingPublic access · Agate, Chalcedony, Chert +3
- Rock SpringsSweetwater County, WyomingPublic access · Agate, Chalcedony, Chert +3
- S Umpqua RiverDouglas County, OregonPublic access · Agate, Chalcedony, Carnelian +3
Circle CliffsGarfield County, UtahPermission required · Agate, Chalcedony, Jasper +2- Hettinger CountyHettinger County, North DakotaPublic access · Agate, Chalcedony, Silicified Wood +2
- Yellowstone RiverPark County, MontanaPublic access · Agate, Montana Agate, Moss Agate +2
- Cannonball RiverSioux County, North DakotaPermission required · Agate, Chalcedony, Silicified Wood +1
- Green RiverSweetwater County, WyomingPublic access · Agate, Chalcedony, Jasper +1
- Mud Springs MountainsSierra County, New MexicoPublic access · Agate, Opalized Wood, Silicified Wood +1
- Platte CenterButler County, NebraskaPublic access · Agate, Chalcedony, Jasper +1
- Thorofare WildernessTeton County, WyomingPermission required · Agate, Jasper, Opalized Wood +1
- BeltsvillePrince George's County, MarylandPublic access · Hyalite Opal, Quartz, Silicified Wood
- Calapooia River & Ames CreekLinn County, OregonPublic access · Banded Agate, Geode, Silicified Wood
- Frying Pan BasinBeaverhead County, MontanaPublic access · Corundum, Opalized Wood, Silicified Wood
- Kanab CreekKane County, UtahPublic access · Silicified Wood, Anhydrite, Gypsum
- Crazy Woman CreekJohnson County, WyomingPublic access · Opalized Wood, Silicified Wood
- GerlachWashoe County, NevadaPublic access · Agate, Silicified Wood
- Parker PeakFall River County, South DakotaPublic access · Agatized Wood, Silicified Wood
- SW of FreerDuval County, TexasPublic access · Agate, Silicified Wood
- Unnamed Area (Silicified Wood)Gadsden County, FloridaPublic access · Silicified Wood, Fossil
- BethesdaDurham County, North CarolinaPublic access · Silicified Wood
- CharlestonKanawha County, West VirginiaPublic access · Silicified Wood
- ColumbusMuscogee County, GeorgiaPermission required · Silicified Wood
- Tuscaloosa Rockhounding AreaTuscaloosa County, AlabamaCheck locally · Silicified Wood
- VaughnCascade County, MontanaPublic access · Silicified Wood
Top regions for silicified wood
Silicified Wood rockhounding FAQ
Where is the best place to find silicified wood?+
Wyoming, North Dakota, Montana have the highest concentrations of silicified wood in this list. Quality and access vary by area, so open the linked region pages for a detailed view.
How many silicified wood rockhounding spots does RockHoundR track?+
42 mapped spots across 18 regions. The app keeps these on a map alongside your private finds.
Can I legally collect silicified wood on public land?+
In the U.S., 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. Rules differ by country and region, so 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.
