1 legal place to look for opal in Utah — fees, seasons, and official sources below.
Hours, fees, and access rules change. Verify with the operator or land agency before you go.
Topaz Mountain Rockhound Recreation Area
UT
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BLM collecting area · Free · Free; no permit or fee. Collect for personal, non-commercial use only. BLM's page for this area does not post a specific weight ceiling, so keep it to reasonable hobbyist amounts and call the Fillmore Field Office at 435-743-3100 if you intend to take a lot.
Checked against its source August 16, 2026
Start with the 1 legal place listed on this page — each shows what you can find, its fees, and its season, with a link to the official source. Hours, fees, and access rules change. Verify with the operator or land agency before you go.
Treat Utah's historic mines as history, not destinations. Most sit on private land or active mining claims, and old workings are dangerous even to walk. The state page's mineral record tells you what the ground holds — the directory tells you where you are welcome to look for it.