Whitehorse Trail: Nephrite Jade Rockhounding in Snohomish County, Washington

Updated August 2026

Whitehorse Trail is a mapped rockhounding spot in Snohomish County, Washington. Reported finds include nephrite jade. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Snohomish County
State: Washington
Nearest road: Lake Cavanaugh Road
Postcode: 98223
Coordinates: 48.27042, -121.93437

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 Whitehorse Trail

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

Nephrite Jade Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Whitehorse Trail.

Whitehorse Trail FAQ

Where is Whitehorse Trail?+

Whitehorse Trail is in Snohomish County, Washington, at 48.27042, -121.93437. Nearest road: Lake Cavanaugh Road.

What rocks and minerals can you find at Whitehorse Trail?+

Whitehorse Trail is reported to produce Nephrite Jade.

Is collecting allowed at Whitehorse Trail?+

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 Whitehorse Trail?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

How do I get to Whitehorse Trail?+

Open the directions link to navigate to 48.27042, -121.93437 in Google Maps. The nearest road is Lake Cavanaugh Road.

More rockhounding in Washington

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Open Whitehorse Trail on the map

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