Spencer Opal Mine — opal rockhounding site near Spencer, ID
OpalIDFee required

Spencer Opal Mine

Rockhounding site in Spencer, Idaho · Turquoise & Opal

Spencer Opal Mine is a opal rockhounding site near Spencer, ID. Fee required. Best season: May through September.

Typical season: May through September

Key facts

Structured details for trip planning — verify access and fees with the land manager before you visit.

Specimen type
Opal
Primary specimens
Spencer Opal, Hyalite Opal, Quartz
Fee status
Fee required
Nearest town
Spencer
State
Idaho
Coordinates
43.23400, -112.86000
Best season
May through September
Access difficulty
Easy; open pit fee digging
Camping
Spencer area primitive camping
Activities
Opal digging, specimen cutting prep
Facilities
Restrooms, tools, on-site shop
Last updated
July 5, 2026

What to pack for Spencer Opal Mine

Gear we compare for turquoise & opal trips like this one — tools, safety, and the hike in.

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The experience

  • Best time to visitMay through September
  • AccessEasy; open pit fee digging
  • FacilitiesRestrooms, tools, on-site shop
  • Camping nearbySpencer area primitive camping

Things you need to take to Spencer Opal Mine

Best overallField Backpacks

Osprey Talon 22 Backpack

The pack to save for if you collect more than a few times a year.

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Best overallHand Lenses & Loupes

BelOMO 10x Triplet Loupe

The loupe to buy once and carry for decades.

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Best overallOutdoor Sunscreen

ThinkSport Sport Mineral Sunscreen

The best blend of mineral protection and wearability for field work — start here.

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Best overallSpecimen Bags & Wrap

SE Specimen Storage Bags 10-Pack

The basic system every collector should have in their pack.

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Regional guide

This spot is featured in our Idaho opal & star garnet country roundup with related rockhounding sites in Idaho.

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Report an access change

Field conditions change. If this site is closed, claimed, flooded, or the fee has changed, tell us — we update listings with community tips and desk verification.

Email a tip

Include the date you visited and any land-manager contact. Do not share private gate codes.

Map & location

Open in MapsGet directions43.23400, -112.86000

Sources & updates

Last reviewed

Spotted outdated access, fees, or safety info? Use Report an access change on this page or send a correction with the page URL — we review every submission.

Planning a trip to Spencer Opal Mine?

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Safety notice: Field and weather conditions change with weather, season, and field conditions. Verify current conditions with local land managers before you go. Collect at your own risk — there are rarely rangers or land managers at these sites.