RockHoundR

Rockhounding in Utah

Updated October 2026

270 mapped spots for rock hunting and rock collecting across 29 counties. Utah has several well-known rockhounding areas close enough to build a trip around: Topaz Mountain, the Dugway geode beds, the San Rafael Swell, and the trilobite beds near Delta. Common targets include topaz, red beryl, geodes, trilobites, and septarian nodules.

Where is the best rockhounding in Utah?

The best rockhounding in Utah is at Frisco in Beaver County (azurite, barite), San Rafael Swell in Emery County (agatized wood, amethyst), and Dugway Range in Juab County (beryl, chalcedony). In total, 270 mapped collecting spots across 29 counties produce pyrite, galena, and malachite, each listed below with its land access.

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Every rockhounding spot in Utah

Utah rockhounding photos

Representative spot and material photos from locations in this state, shown where verified public image records are available.

5 photos

Top minerals found in Utah

Counts reflect how many spots in this list mention each mineral.

Notable areas: Dugway geodes, Topaz Mountain topaz, Brian Head agate, and the trilobite quarries near Delta are common Utah trip targets.

Geology behind Utah rockhounding

Utah collecting breaks into three broad regions: the Basin and Range west of I-15, the Colorado Plateau in the east and southeast, and the Uinta-Wasatch mountain belt. Topaz Mountain, Dugway, the Thomas Range, and the House Range sit in the west desert. The San Rafael Swell is known for septarian nodules, agatized dinosaur bone, and picture sandstone. The House Range Cambrian shales produce trilobites at U-Dig and Antelope Springs.

Best regions to focus your search

West desert / Thomas Range

Topaz Mountain topaz, red beryl float (display only, claims are tight), bertrandite, opal, and bixbyite. Topaz Mountain has a permanent public collecting area.

House Range / Millard County

Trilobites at U-Dig and Antelope Springs, brachiopods, snail-shell fossils. Pay-to-dig and remote BLM ground.

San Rafael Swell & southeast Utah

Septarian nodules, agatized dinosaur bone (gem-quality bone may require permits, check rules), Moqui marbles, picture sandstones.

Wasatch & Uinta mountains

Garnet schist, hot-springs travertine, mine dump material above Park City and Alta. Heavy snow into June.

Best season

April through June and September through October are the easiest months. July and August in the west desert often clear 100°F with no shade. Mountain locations can stay snowbound through May.

What to bring

Topaz Mountain in particular needs a 5-gallon bucket, 1/4-inch screen, geology pick, and patience for the heat. Trilobite digs supply hammers but bring safety glasses. Carry well more water than you think you'll need in the west desert.

Local collecting history

Topaz Mountain has been a public collecting area since the 1970s, when BLM designated parts of it for recreational rockhounding. Red beryl, also called bixbite, was first described from the Thomas Range and remains a rare Utah gemstone.

Rockhounding near major Utah cities

Day-trip range. Each section lists the closest mapped rockhounding spots within about 150 miles of the city. Most are inside a 2 to 3 hour drive.

Rockhounding near Salt Lake City

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6 closest spots to Salt Lake City, UT.

Rockhounding near St. George

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6 closest spots to St. George, UT.

  • Glitter MountainMohave County · Selenite10 mi12 min drive
  • HurricaneWashington County · Aragonite, Calcite14 mi18 min drive
  • Silver ReefWashington County · Lead, Silver15 mi19 min drive
  • HurricaneWashington County · Fossil16 mi20 min drive
  • CentralWashington County · Geode22 mi27 min drive
  • Beaver Dam WashWashington County · Agate, Jasper25 mi31 min drive

Neighboring states with rockhounding

Geology rarely respects state borders. These states share mapped rockhounding country with Utah, useful when Utah is the start, not the whole trip. Each card links to the closest county across the line.

Rockhounding by county in Utah

County pages are linked once we have at least 3 mapped spots for a focused guide with coordinates, mineral notes, and nearby spots.

Top picks in Utah

10 best spots

Hand-picked standouts from the Utah list, chosen for unusual mineralogy, documented public access, or both. Each card links to coordinates, access notes, and what to look for.

Fee digs and gem mining in Utah

3 places in Utah where you pay to dig and keep what you find. Prices and seasons change, so check with the operator before you drive out.

  • Topaz Dome QuarryJuab County
  • Trilobyte Me! QuarryMillard CountyTrilobite Fossil
  • Azurite BlueberriesSan Juan CountyAzurite

Rock and mineral clubs in Utah

11 clubs in Utah. Clubs run field trips, shows and workshops, and many trips go to private claims you can't reach alone.

Full club directory →

Utah rockhounding FAQ

Is rockhounding legal in Utah?+
Yes on most BLM and SITLA land. Utah's five national parks (Arches, Bryce, Canyonlands, Capitol Reef, Zion), state parks, and tribal lands are closed. Always confirm rules at the local BLM field office, Grand Staircase-Escalante and Bears Ears have unit-specific restrictions.
Can I dig at Topaz Mountain?+
Yes. Topaz Mountain is a public BLM collecting area in the Thomas Range west of Delta. Hand digging in talus, screening, and small-scale picking are allowed. Bring a screen, a bucket, water, and sun protection. There is no shade.
Are gem-quality petrified bone and trilobites legal to keep?+
Trilobites and other invertebrate fossils are legal to keep in reasonable amounts on BLM land. Vertebrate fossils (including dinosaur bone) are federally protected. You may collect small amounts of common, non-gem petrified bone for personal use under BLM rules, but commercial collection and gem-grade bone usually require a permit.
What is the BLM rockhounding limit in Utah?+
Up to 25 pounds per day plus one piece, capped at 250 pounds per calendar year per person, for common rocks, mineral specimens, and semiprecious gemstones. Limits cannot be pooled between collectors.
Where can I dig for trilobites in Utah?+
U-Dig Fossils in the House Range (Millard County) is a popular pay-to-dig trilobite quarry. Antelope Springs is the public alternative on nearby BLM land, with similar Cambrian shale beds and free access.
Where can I go rock hunting in Utah?+
Rock hunting, rock collecting and rockhounding are the same hobby under different names. 270 spots are mapped in Utah, 205 of them with public access. Grand County, San Juan County, and Tooele County have the most.
Is there gem mining or pay-to-dig in Utah?+
Yes. 3 fee digs are mapped in Utah, where you pay to dig and keep what you find: Topaz Dome Quarry, Trilobyte Me! Quarry, and Azurite Blueberries. Prices and seasons change, so check with the operator before you drive out.
Where can I dig for crystals in Utah?+
39 mapped spots in Utah report quartz, amethyst, or smoky quartz, mostly in Beaver County, Juab County, and Tooele County. Each one is in the list on this page with its land access.
Can you find geodes in Utah?+
Yes. 6 mapped spots in Utah report geodes, mostly in Iron County, Juab County, and Kane County.
Where can I go gold panning in Utah?+
32 mapped spots in Utah report gold, mostly in San Juan County, Tooele County, and Box Elder County. Check for mining claims before you pan: working someone else's claim is not allowed.
Where can I go fossil hunting in Utah?+
13 mapped spots in Utah report fossils, mostly in Emery County, Grand County, and Garfield County. On federal land you may keep common shells, corals and plant fossils. Bones and teeth of animals with a backbone are protected.

Map every Utah spot in the app

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