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Spencer Opal Mines

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Discovered in 1942, the Spencer Opal Mine is an open pit mine and the only place in North America where opals are plentiful enough to mine commercially.

You can look for opals yourself. You can dig at the mini mine seven days a week located at the store on the north end of main street in Spencer or call for open digging dates at the mine.

The store has a very large selection of opal jewelry, lapidary supplies, convenience items, RV park and camping area. The store hour are 7:00 - 7:00 seven days a week and is open year round.

The mines are located 65 miles north of Idaho Falls on I-15. The headquarters and store are located at the north end of Main Street in Spencer.

Location: HC 62 Box 2062, Spencer Idaho 83446 Telephone 208-374-5476

Other Science nearby:
(Spencer) Spencer Opal Mines
(St Anthony) Targhee National Forest


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07/10 Coming to The Spencer area
Annual Port-Neuf Muzzleloaders Mountain Man Rendezvous Pocatello ID May31-June2 Enjoy the black powder rifle and pistol shoots, the trailwalks, our knife and hawks throws, the cannons, and the primitive archery shoot. The music at the campfire at the end of the day. Visit the traders of the 1840’s. They are all in canvas of the period as are the Mountain Men and Women of the Primitive Camps. See how they lived and worked daily.
Intermountain Equifest Pocatello ID June20-23 We will have trail riding competition, extreme cowboy race, posse drill presentation, grand entry, horse show, barrel racing, pole bending, bucket races, flag races, and kids games. Horseback and on foot.
Eastern Idaho State Fair Blackfoot ID August31-September7 The Eastern Idaho State Fair in Blackfoot begins Labor Day and features horse racing, demolition derby, rodeo, and top name stars along with the excitement of the midway rides and wide range of food booths.

The fair has all the traditional elements of an agricultural fair, including exhibits and 4-H competition.


Jackson Hole Fall Arts Festival Jackson Hole WY September5-12 The Jackson Hole Fall Arts Festival is widely recognized as one of the premier cultural events in the Rocky Mountain West.
Portneuf Greenway Foundation RiverFest Pocatello ID August17-September17 This is a one day festival which features local and regional bands. This year's headliner band is The Clumsy Lovers. We also have craft booths, commercial booths and lots of great food. There will be a horseshoe tournament as well as our famous raffle. In previous years we have given away camp trailers, boats and cars.