RockHoundR
Download on the App StoreGet it on Google Play

Where to Find Agate in North Dakota

North Dakota has 10 mapped collecting spots that report agate, spread across 9 counties. The largest share sits in Stark County with 2 spots. 7 of the spots are on land mapped as publicly accessible.

Map of 10 agate collecting spots in North Dakota

Standout agate spots in North Dakota

Hand-picked from the full list below, with the reason each one earns a trip.

Best counties for agate in North Dakota

Ranked by the number of mapped agate spots. County links open the full rockhounding page for that county.

Every agate spot we track in North Dakota

Sorted by county. Coordinates open in Google Maps.

SpotCountyMineralsCoordinatesAccess
MedoraI 94Billings County46.9233, -103.4921Permission
BismarckGallatin LoopBurleigh County46.7597, -100.8355Public
Hettinger CountyState Highway 8Hettinger County46.5117, -102.3170Public
TappenHighway 10Kidder County46.8796, -99.4569Public
Souris RiverRiver Road NorthMcHenry County48.1150, -100.8019Public
MandanSunny Place SouthMorton County46.8174, -100.9353Public
Turtle MountainBia 23Rolette County48.8155, -99.9217Permission
Cannonball RiverSioux County46.3596, -100.9431Permission
DickinsonLehigh RoadStark County46.8706, -102.6924Public
Richardton42nd Street SouthwestStark County46.8031, -102.3097Public

Before you go

Read the agate identification guide so you know what a keeper looks like in the field: Agate in the encyclopedia.

Agate in North Dakota FAQ

Where can you find agate in North Dakota?+
The mapped spots concentrate in Stark County, Billings County, and Burleigh County. Every spot on this page appears on the map above with coordinates and access notes.
How many agate spots are mapped in North Dakota?+
10 spots across 9 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect agate in North Dakota?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 7 of the 10 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.

Where else to find agate

More minerals to hunt in North Dakota

Hunt agate in North Dakota with the map in your pocket

RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.

Download on the App StoreGet it on Google Play