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Sweet Water Canyon: Agate & Chalcedony Rockhounding in Uintah County, Utah

Public access4 mineralsUintah County, UtahUpdated June 2026
Minerals reported
4
Elevation
5,300 ft
Best months
March to June

Sweet Water Canyon is a mapped rockhounding spot in Uintah County, Utah. Reported finds include agate, chalcedony, jasper, petrified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.

Plan your visit

Generally open to casual rockhounding

State
Utah
Nearest road
Bitter Creek Road
Get directionsView on Google Maps

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

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.

Best time to visit Sweet Water Canyon

Comfortable months (45 to 90°F highs)

Best months: March to June. Typical highs run 93°F in midsummer and 26°F in midwinter, with winter lows near 3°F.

Climate normals: NOAA 1991-2020 monthlies, OURAY 4NE station (24 mi away), adjusted for elevation.

Geology at Sweet Water Canyon

This spot sits on Mixed alluvium and colluvium, mapped as unconsolidated sand, gravel, silt, and clay that formed within roughly the last 3 million years. Petrified wood typically travels as tough float, and worked gravels like these are exactly where weathered pieces tend to collect.

Mapped unit
Mixed alluvium and colluvium
Age
3 Ma to present (Pleistocene to Holocene)
Rock types
unconsolidated sand, gravel, silt, and clay
Elevation
5,300 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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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:

Found at Sweet Water Canyon

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 Sweet Water Canyon.

Across the state line from Sweet Water Canyon

Sweet Water Canyon is close enough to the Utah border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

  • North Grand Junction BariteMesa County, Colorado · 63 mi awayBarite
  • North Grand Junction BariteMesa County, Colorado · 63 mi awayBarite

Sweet Water Canyon FAQ

Where is Sweet Water Canyon?+
Sweet Water Canyon is in Uintah County, Utah, at 39.83968, -109.41275. Nearest road: Bitter Creek Road.
What rocks and minerals can you find at Sweet Water Canyon?+
Sweet Water Canyon is reported to produce Agate, Chalcedony, Jasper, Petrified Wood.
Is collecting allowed at Sweet Water Canyon?+
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. Always confirm current rules with the managing agency before a trip.
What tools should I bring to Sweet Water Canyon?+
A rock hammer, sturdy gloves, and a padded bag cover petrified wood hunting. Most pieces are surface float, so walking slopes and washes beats digging.
When is the best time to visit Sweet Water Canyon?+
The most comfortable months at Sweet Water Canyon are March to June.
How do I get to Sweet Water Canyon?+
Open the directions link to navigate to 39.83968, -109.41275 in Google Maps. The nearest road is Bitter Creek Road.

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