Lynch Quarry: Knife River Flint Rockhounding in Dunn County, North Dakota

Updated August 2026

Lynch Quarry is a mapped rockhounding spot in Dunn County, North Dakota. Reported finds include knife river flint. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Dunn County
State: North Dakota
Nearest road: 1st Street East
Postcode: 58626
Coordinates: 47.35362, -102.62046

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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Lynch Quarry

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

Knife River Flint Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Lynch Quarry.

Lynch Quarry FAQ

Where is Lynch Quarry?+

Lynch Quarry is in Dunn County, North Dakota, at 47.35362, -102.62046. Nearest road: 1st Street East.

What rocks and minerals can you find at Lynch Quarry?+

Lynch Quarry is reported to produce Knife River Flint.

Is collecting allowed at Lynch Quarry?+

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 Lynch Quarry?+

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 Lynch Quarry?+

Open the directions link to navigate to 47.35362, -102.62046 in Google Maps. The nearest road is 1st Street East.

More rockhounding in North Dakota

See all 25 North Dakota spots →

Open Lynch Quarry on the map

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