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Montezuma Canyon: Carnotite Rockhounding in San Juan County, Utah

Updated June 2026

Montezuma Canyon is a mapped rockhounding spot in San Juan County, Utah. Reported finds include carnotite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing Montezuma Canyon in San Juan County, Utah

Quick details

Access
Public area
State
Utah

Geology at Montezuma Canyon

This spot sits on Alluvium and colluvium, mapped as unconsolidated alluvium and colluvium that formed within roughly the last 3 million years. Loose deposits like these are float-collecting ground: erosion keeps moving durable rocks and minerals into gravel bars, cutbanks, and washes.

Mapped unit
Alluvium and colluvium
Age
3 Ma to present (Quaternary)
Rock types
unconsolidated alluvium and colluvium
Elevation
4,940 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 Montezuma Canyon

Best months: February to May. Typical highs run 97°F in midsummer and 44°F in midwinter, with winter lows near 19°F. Monsoon storms peak in July and August and can flood washes fast.

Climate normals: NOAA 1991-2020 monthlies, HOVENWEEP NM station (13 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:

Found at Montezuma 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 Montezuma Canyon.

Across the state line from Montezuma Canyon

Montezuma 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.

Montezuma Canyon FAQ

Where is Montezuma Canyon?+
Montezuma Canyon is in San Juan County, Utah, at 37.53374, -109.23156.
What rocks and minerals can you find at Montezuma Canyon?+
Montezuma Canyon is reported to produce Carnotite.
Is collecting allowed at Montezuma 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 Montezuma Canyon?+
A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.
When is the best time to visit Montezuma Canyon?+
The most comfortable months at Montezuma Canyon are February to May. Monsoon storms peak in July and August and can flood washes fast.
How do I get to Montezuma Canyon?+
Open the directions link to navigate to 37.53374, -109.23156 in Google Maps. Some spots are remote, so check road conditions before driving out.

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