Mandan — Rockhounding in Morton County, North Dakota
Mandan is a mapped rockhounding spot in Morton County, North Dakota. Reported finds include agate, chalcedony, chert, teredo petrified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Mandan in Morton County, North Dakota
Quick details
- Access
- Public area
- County
- Morton County
- State
- North Dakota
- Nearest road
- Sunny Place South
- Postcode
- 58554
- Coordinates
- 46.81736, -100.93526
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.
Found at Mandan
Each chip links to all spots in the U.S. that produce that material.
- Agate
- Chalcedony
- Chert
- Teredo Petrified Wood
Nearby rockhounding spots
Other rockhounding spots within driving distance of Mandan.
- BismarkBurleigh County · 6 mi awayAgate, Chalcedony, Silicified Wood
- Cannonball RiverSioux County · 32 mi awayAgate, Chalcedony, Silicified Wood
- Crowley QuarryMercer County · 54 mi awayFlint
- KilldeerMercer County · 58 mi awayKnife River Flint
- RichardtonStark County · 65 mi awayAgate, Chalcedony, Agatized Wood
- Hettinger CountyHettinger County · 69 mi awayAgate, Chalcedony, Silicified Wood
- TappenKidder County · 70 mi awayAgate, Chalcedony, Jasper
- DickinsonStark County · 83 mi awayAgate, Chalcedony
Mandan FAQ
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What rocks and minerals can you find at Mandan?+
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More rockhounding in North Dakota
See all 20 North Dakota spots →Open Mandan on the map
Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.
