Emerald Creek: Almandine Garnet Rockhounding in Shoshone County, Idaho

Public accessBest spot1 mineralShoshone County, IdahoUpdated June 2026

2 photos

Mineral reported: 1
Elevation: 2,770 ft

Emerald Creek is Idaho's signature public star-garnet locality, with the Forest Service noting that commercial quantities of star garnet are otherwise known only from India. The managed sluice area gives collectors a rare legal way to search for dodecahedral almandine garnets while keeping digging out of the streambed. Reported finds include almandine garnet. Below: coordinates, access notes, nearby spots, and trip-planning links.

Plan your visit

Generally open to casual rockhounding

County: Shoshone County
State: Idaho
Nearest road: National Forest Development Road 447
Coordinates: 47.06509, -116.32654

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Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

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.

Access note: Managed by the Idaho Panhandle National Forests as a reservation-only public garnet collecting area. Check current USFS season, reservation, tool, and fee rules before visiting.

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.

Geology at Emerald Creek

This spot sits on Wanapum Basalt, Priest Rapids Member, mapped as basalt that formed roughly 23 to 5 million years ago. Volcanic ground like this weathers into rocky slopes and float, and fresh exposures in cuts and drainages are usually the most productive places to look.

Mapped unit: Wanapum Basalt, Priest Rapids Member
Age: 23–5 Ma (Miocene)
Rock types: basalt
Elevation: 2,770 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.

Today's weather

Is today a good day to go?

The app shows live weather, recent rain, and a daily rockhounding score for Emerald Creek.

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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: April 1, 2026

Idaho Panhandle National Forests, Emerald Creek
Idaho Geological Survey
Spencer Opal Mines (fee-dig operator)
Community submissions reviewed against published agency rules

Found at Emerald Creek

Each name opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Almandine Garnet Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Emerald Creek.

Emerald and Ruby CreeksShoshone County, Idaho · 0 mi awayGarnet
East Fork Emerald CreekLatah County, Idaho · 4 mi awayStar Garnet
Carpenter CreekBenewah County, Idaho · 5 mi awayStaurolite
Purdue & Canyon CreeksLatah County, Idaho · 12 mi awayRed Garnet
Mica MountainLatah County, Idaho · 16 mi awayGreen Beryl, Biotite, Muscovite
Alder CreekBenewah County, Idaho · 17 mi awayChrysocolla
Boulder CreekLatah County, Idaho · 23 mi awayGarnet
AveryShoshone County, Idaho · 27 mi awayKyanite, Staurolite

Across the state line from Emerald Creek

Emerald Creek is close enough to the Idaho border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

PullmanWhitman County, Washington · 39 mi awayFire Opal
Bald ButteWhitman County, Washington · 47 mi awaySmoky Quartz
Silver HillSpokane County, Washington · 58 mi awayCassiterite
ClarkstonAsotin County, Washington · 59 mi awayGold
Snake RiverAsotin County, Washington · 60 mi awayGold
Snake RiverAsotin County, Washington · 63 mi awayFire Opal

Emerald Creek FAQ

Where is Emerald Creek?+

Emerald Creek is in Shoshone County, Idaho, at 47.06509, -116.32654. Nearest road: National Forest Development Road 447.

What rocks and minerals can you find at Emerald Creek?+

Emerald Creek is reported to produce Almandine Garnet.

Is collecting allowed at Emerald Creek?+

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 Emerald Creek?+

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.

How do I get to Emerald Creek?+

Open the directions link to navigate to 47.06509, -116.32654 in Google Maps. The nearest road is National Forest Development Road 447.