Bridgeport: Jadeite Rockhounding in Douglas County, Washington

Updated June 2026

Bridgeport is a mapped rockhounding spot in Douglas County, Washington. Reported finds include jadeite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Douglas County
State: Washington
Nearest road: 16th Street
Postcode: 98813
Coordinates: 48.00025, -119.67978

Geology at Bridgeport

This spot sits on continental glacial drift, Fraser-age; mostly Vashon Stade in western WA; unnamed in eastern WA, mapped as sand and gravel that formed within roughly the last 3 million years. Loose deposits like these are float-collecting ground: erosion keeps moving durable rocks and minerals into gravel bars, cutbanks, and washes.

Mapped unit: continental glacial drift, Fraser-age; mostly Vashon Stade in western WA; unnamed in eastern WA
Age: 3 Ma to present (Pleistocene)
Rock types: sand and gravel
Elevation: 1,160 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 Bridgeport

Best months: March to October. Typical highs run 90°F in midsummer and 33°F in midwinter, with winter lows near 22°F.

Climate normals: NOAA 1991-2020 monthlies, CHIEF JOSEPH DAM station (1 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 Bridgeport

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

Jadeite

Nearby rockhounding spots

Other rockhounding spots within driving distance of Bridgeport.

Bridgeport FAQ

Where is Bridgeport?+

Bridgeport is in Douglas County, Washington, at 48.00025, -119.67978. Nearest road: 16th Street.

What rocks and minerals can you find at Bridgeport?+

Bridgeport is reported to produce Jadeite.

Is collecting allowed at Bridgeport?+

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 Bridgeport?+

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.

When is the best time to visit Bridgeport?+

The most comfortable months at Bridgeport are March to October.

How do I get to Bridgeport?+

Open the directions link to navigate to 48.00025, -119.67978 in Google Maps. The nearest road is 16th Street.

More rockhounding in Washington

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Open Bridgeport on the map

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