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East Fork Emerald Creek: Star Garnet Rockhounding in Latah County, Idaho

Updated June 2026

East Fork Emerald Creek is a mapped rockhounding spot in Latah County, Idaho. Reported finds include star garnet. Below: coordinates, access notes, nearby spots, and trip-planning links.

Map showing East Fork Emerald Creek in Latah County, Idaho

Quick details

Access
Public area
State
Idaho
Nearest road
National Forest Development Road 447

Geology at East Fork Emerald Creek

This spot sits on Wallace Formation, quartzite, mapped as quartzite, biotite quartzite, and granofels that formed roughly 1600 to 1000 million years ago. Metamorphic rock like this is where garnet, staurolite, and kyanite typically grow as the rock recrystallizes under heat and pressure.

Mapped unit
Wallace Formation, quartzite
Age
1600–1000 Ma (Mesoproterozoic)
Rock types
quartzite, biotite quartzite, and granofels
Elevation
2,880 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.

Best time to visit East Fork Emerald Creek

Best months: March to October. Typical highs run 82°F in midsummer and 33°F in midwinter, with winter lows near 21°F.

Climate normals: NOAA 1991-2020 monthlies, ELK RVR station (18 mi away).

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.

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.

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:

Found at East Fork Emerald Creek

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

Nearby rockhounding spots

Other rockhounding spots within driving distance of East Fork Emerald Creek.

Across the state line from East Fork Emerald Creek

East Fork 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.

East Fork Emerald Creek FAQ

Where is East Fork Emerald Creek?+
East Fork Emerald Creek is in Latah County, Idaho, at 47.00530, -116.33313. Nearest road: National Forest Development Road 447.
What rocks and minerals can you find at East Fork Emerald Creek?+
East Fork Emerald Creek is reported to produce Star Garnet.
Is collecting allowed at East Fork 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 East Fork 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.
When is the best time to visit East Fork Emerald Creek?+
The most comfortable months at East Fork Emerald Creek are March to October.
How do I get to East Fork Emerald Creek?+
Open the directions link to navigate to 47.00530, -116.33313 in Google Maps. The nearest road is National Forest Development Road 447.

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