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

Updated June 2026

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.

Quick details

Access: Public area
County: Uintah County
State: Utah
Nearest road: Bitter Creek Road
Coordinates: 39.83968, -109.41275

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.

Best time to visit Sweet Water Canyon

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.

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.

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: April 1, 2026

BLM Utah — Rockhounding overview
Utah Geological Survey — collecting guidelines
SITLA — surface use rules
Community submissions reviewed against published agency rules

Found at Sweet Water Canyon

Each chip 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.

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.

More rockhounding in Utah

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Open Sweet Water Canyon on the map

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