Circle Cliffs: Agate & Chalcedony Rockhounding in Garfield County, Utah
- Minerals reported
- 5
- Elevation
- 7,220 ft
- Best months
- March to November
Circle Cliffs is a mapped rockhounding spot in Garfield County, Utah. Reported finds include agate, chalcedony, jasper, petrified wood, silicified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Permission required before collecting
- County
- Garfield County
- State
- Utah
- Coordinates
- 37.99622, -111.12909
Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.
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.
Best time to visit Circle Cliffs
Comfortable months (45 to 90°F highs)
Best months: March to November. Typical highs run 82°F in midsummer and 37°F in midwinter, with winter lows near 19°F. At about 7,220 ft, snow can block access from late fall well into spring, so check conditions outside of summer.
Climate normals: NOAA 1991-2020 monthlies, BOULDER station (17 mi away), adjusted for elevation.
Geology at Circle Cliffs
This spot sits on Glen Canyon Group, mapped as arenite that formed roughly 200 to 175 million years ago. Sedimentary beds like these are the typical host for petrified and silicified wood, which weathers out as durable float on slopes and in washes.
- Mapped unit
- Glen Canyon Group
- Age
- 200–175 Ma (Early Jurassic)
- Rock types
- arenite
- Elevation
- 7,220 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.
Today's weather
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The app shows live weather, recent rain, and a daily rockhounding score for Circle Cliffs.
Get the appSources & 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:
- BLM Utah, Rockhounding overview
- Utah Geological Survey, collecting guidelines
- SITLA, surface use rules
- Community submissions reviewed against published agency rules
Found at Circle Cliffs
Each name 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 Circle Cliffs.
- Boulder MountainsGarfield County, Utah · 13 mi awayPyrolusite
- Henry MountainsGarfield County, Utah · 16 mi awayIlmenite, Monazite, Zircon
- Henry MountainsGarfield County, Utah · 19 mi awayCarnotite, Bentorite
- Henry MountainsWayne County, Utah · 21 mi awayCarnotite
- Coaly WashWayne County, Utah · 25 mi awayJet
- TorreyWayne County, Utah · 26 mi awayAgate, Jasper, Petrified Dinosaur Bone
- EscalanteGarfield County, Utah · 29 mi awayPetrified Dinosaur Bone, Agate, Monazite
- HanksvilleWayne County, Utah · 32 mi awayAgate, Jasper, Petrified Wood
Circle Cliffs FAQ
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