Where to Find Moss Agate
44 mapped moss agate spots across 21 regions in 2 countries. Pick a region for its local guide, or browse every spot below. Moss agate is translucent chalcedony with mineral inclusions that look like ferns or moss. Major U.S. localities include Yellowstone moss agate from Montana and the Mojave deposits in California.
Every mapped moss agate spot
Best spotOmahaDouglas County, NebraskaPublic access · Banded Agate, Moss Agate, Chalcedony +5
Best spotBellevueJackson County, IowaPublic access · Lake Superior Agate, Moss Agate, Carnelian +3
Best spotAlvaWoods County, OklahomaPermission required · Banded Agate, Moss Agate, Chalcedony +2
Best spotLittle Nemaha RiverNemaha County, NebraskaPublic access · Agate, Moss Agate, Chalcedony +2
Best spotMuscatine (agate)Louisa County, IowaPublic access · Lake Superior Agate, Moss Agate, Chalcedony +1
Best spotDel Norte Thunder Egg BedsSaguache County, ColoradoPublic access · Plume Agate, Moss Agate, Chalcedony +2- Best spotHartvillePlatte County, WyomingPublic access · Agate, Moss Agate, Chalcedony
- Best spotCamp CrookHarding County, South DakotaPublic access · Moss Agate, Chalcedony
Best spotWashougalClark County, WashingtonPermission required · Moss Agate, Amethyst- Best spotMaury MountainsCrook County, OregonPublic access · Moss Agate
Bare Hills mining districtBaltimore County, MarylandPublic access · Actinolite, Malachite, Epidote +8- Warren TownshipSomerset County, New JerseyPublic access · Banded Agate, Moss Agate, Chalcedony +6
DubuqueDubuque County, IowaPermission required · Lake Superior Agate, Moss Agate, Oolitic Agate +4- Cedar CityIron County, UtahPublic access · Agate, Moss Agate, Chalcedony +2
- ConcordiaCloud County, KansasPublic access · Agate, Moss Agate, Banded Agate +2
- Deadman RiverThompson-Nicola Regional District, British ColumbiaPermission required · Agate, Moss Agate, Chalcedony +2
- General AreaBrewster County, TexasPublic access · Moss Agate, Plume Agate, Chalcedony +2
- Green MountainFremont County, WyomingCheck locally · Banded Agate, Moss Agate, Aventurine +2
- W side of Glass MountainsBrewster County, TexasPublic access · Moss Agate, Plume Agate, Chalcedony +2
- Yellowstone RiverPark County, MontanaPublic access · Agate, Montana Agate, Moss Agate +2
- Escondido CanyonLos Angeles County, CaliforniaPublic access · Amethyst Geode, Banded Agate, Moss Agate +1
- Nipomo AreaSan Luis Obispo County, CaliforniaPublic access · Moss Agate, Jasper, Petrified Wood +1
- AshlandClark County, KansasPublic access · Moss Agate, Opal, Jasper
- Bear CreekCrook County, OregonPublic access · Moss Agate, Chalcedony, Drusy Quartz
- Eagle RockCrook County, OregonCheck locally · Plume Agate, Moss Agate, Jasper
- Fort WashakieFremont County, WyomingPermission required · Moss Agate, Chalcedony, Jasper
- Graveyard PointOwyhee County, IdahoCheck locally · Plume Agate, Moss Agate, Agate
- Moss Agate HillConverse County, WyomingPublic access · Moss Agate, Chalcedony, Jasper
- TraphillWilkes County, North CarolinaPublic access · Moss Agate, Jasper, Chalcedony
- CareyBlaine County, IdahoPublic access · Jasper, Moss Agate
- Chapel HillOrange County, North CarolinaPublic access · Moss Agate, Petrified Wood
- CordeleCrisp County, GeorgiaPublic access · Moss Agate, Jasper
- Eagle PointJackson County, OregonPublic access · Moss Agate, Bloodstone
- Flintville (moss agate area)Harford County, MarylandPublic access · Moss Agate, Jasper
- HillsboroughOrange County, North CarolinaPublic access · Moss Agate, Quartz
- Plains of San AgustinCatron County, New MexicoPermission required · Moss Agate, Jasper
- Smoky Hill River (moss agate)Logan County, KansasPublic access · Moss Agate, Chalk
- Fox RidgeMeade County, South DakotaPublic access · Moss Agate
- HyshamTreasure County, MontanaPublic access · Moss Agate
- MathisSan Patricio County, TexasPublic access · Moss Agate
- PalmyraOtoe County, NebraskaPublic access · Moss Agate
- Rock Springs RunLancaster County, PennsylvaniaPermission required · Moss Agate
- Sheep creekCrook County, OregonPublic access · Moss Agate
- South Fork Solomon RiverSheridan County, KansasPublic access · Moss Agate
Top regions for moss agate
United States
43 spots · 20 regionsCanada
1 spots · 1 regionsMoss Agate rockhounding FAQ
Where is the best place to find moss agate?+
Oregon, Kansas, Wyoming have the highest concentrations of moss agate in this list. Quality and access vary by area, so open the linked region pages for a detailed view.
How many moss agate rockhounding spots does RockHoundR track?+
44 mapped spots across 21 regions in 2 countries. The app keeps these on a map alongside your private finds.
Can I legally collect moss agate on public land?+
In the U.S., casual hand collecting of common rocks and minerals like moss agate 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 moss agate in the field?+
Field identification of moss agate 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 moss agate on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
