Sacheen Lake: Garnet Rockhounding in Pend Oreille County, Washington

Updated June 2026

Sacheen Lake is a mapped rockhounding spot in Pend Oreille County, Washington. Reported finds include garnet. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Pend Oreille County
State: Washington
Nearest road: Griebe Lane
Postcode: 99156
Coordinates: 48.14756, -117.33366

Geology at Sacheen Lake

This spot sits on Silver Point Quartz Monzonite, mapped as granite that formed roughly 56 to 34 million years ago. Garnet and similar hard minerals typically weather out of rock like this and concentrate as resistant grains in nearby soils and creek gravels.

Mapped unit: Silver Point Quartz Monzonite
Age: 56–34 Ma (Eocene)
Rock types: granite
Elevation: 2,260 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 Sacheen Lake

Best months: March to October. Typical highs run 84°F in midsummer and 34°F in midwinter, with winter lows near 21°F.

Climate normals: NOAA 1991-2020 monthlies, DEER PARK AP station (13 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: April 1, 2026

Washington Geological Survey (DNR)
Stonerose Interpretive Center — Visit & rules
BLM Spokane District
Community submissions reviewed against published agency rules

Found at Sacheen Lake

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

Garnet Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Sacheen Lake.

Across the state line from Sacheen Lake

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

Sacheen Lake FAQ

Where is Sacheen Lake?+

Sacheen Lake is in Pend Oreille County, Washington, at 48.14756, -117.33366. Nearest road: Griebe Lane.

What rocks and minerals can you find at Sacheen Lake?+

Sacheen Lake is reported to produce Garnet.

Is collecting allowed at Sacheen Lake?+

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 Sacheen Lake?+

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 Sacheen Lake?+

The most comfortable months at Sacheen Lake are March to October.

How do I get to Sacheen Lake?+

Open the directions link to navigate to 48.14756, -117.33366 in Google Maps. The nearest road is Griebe Lane.

More rockhounding in Washington

See all 92 Washington spots →

Open Sacheen Lake on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.