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Sevier Lake: Corundum Rockhounding in Millard County, Utah

Updated June 2026

Sevier Lake is a mapped rockhounding spot in Millard County, Utah. Reported finds include corundum. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing Sevier Lake in Millard County, Utah

Quick details

Access
Public area
State
Utah

Geology at Sevier Lake

This spot sits on ground mapped as Playa mud over fine-grained lacustrine deposits over fine-grained lacustrine deposits of Sevier Desert that formed within roughly the last 66 million years. Hard resistant minerals typically weather out of the bedrock and concentrate in nearby soils and creek gravels.

Mapped unit
Playa mud over fine-grained lacustrine deposits over fine-grained lacustrine deposits of Sevier Desert
Age
66 Ma to present (Paleocene to Quaternary)
Elevation
4,540 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 Sevier Lake

Best months: February to June. Typical highs run 96°F in midsummer and 44°F in midwinter, with winter lows near 18°F. Summer heat here is intense, so carry more water than you think you need and work the early morning.

Climate normals: NOAA 1991-2020 monthlies, BLACK ROCK station (12 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 Sevier Lake

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 Sevier Lake.

Across the state line from Sevier Lake

Sevier Lake 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.

Sevier Lake FAQ

Where is Sevier Lake?+
Sevier Lake is in Millard County, Utah, at 38.73405, -113.17913.
What rocks and minerals can you find at Sevier Lake?+
Sevier Lake is reported to produce Corundum.
Is collecting allowed at Sevier Lake?+
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 Sevier Lake?+
A rock hammer, a sieve, and a small shovel work well for garnet-type minerals, which concentrate as resistant grains in soils and creek gravels.
When is the best time to visit Sevier Lake?+
The most comfortable months at Sevier Lake are February to June. Summer heat here is intense, so carry more water than you think you need and work the early morning.
How do I get to Sevier Lake?+
Open the directions link to navigate to 38.73405, -113.17913 in Google Maps. Some spots are remote, so check road conditions before driving out.

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