Osoyoos Lake: Copper & Pyrite Rockhounding in Okanogan County, Washington

Updated June 2026

Osoyoos Lake is a mapped rockhounding spot in Okanogan County, Washington. Reported finds include copper, pyrite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Okanogan County
State: Washington
Nearest road: US 97
Postcode: 98844
Coordinates: 48.96355, -119.45153

Best time to visit Osoyoos Lake

Best months: March to October. Typical highs run 87°F in midsummer and 33°F in midwinter, with winter lows near 23°F.

Climate normals: NOAA 1991-2020 monthlies, TONASKET 4 NNE station (13 mi away), adjusted for elevation.

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 Osoyoos Lake

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 Osoyoos Lake.

Osoyoos Lake FAQ

Where is Osoyoos Lake?+

Osoyoos Lake is in Okanogan County, Washington, at 48.96355, -119.45153. Nearest road: US 97.

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

Osoyoos Lake is reported to produce Copper, Pyrite.

Is collecting allowed at Osoyoos 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 Osoyoos Lake?+

A rock hammer, gloves, and safety glasses are enough for oxidized copper ground. Look for green and blue staining on weathered rock and in old dump piles.

When is the best time to visit Osoyoos Lake?+

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

How do I get to Osoyoos Lake?+

Open the directions link to navigate to 48.96355, -119.45153 in Google Maps. The nearest road is US 97.

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Open Osoyoos Lake on the map

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