Mandan
Rockhounding site in North Dakota, North Dakota · Agate & Jasper
Mandan is a agate rockhounding site near North Dakota, ND. Fee varies. Best season: Spring through fall.
Typical season: Spring through fall
Key facts
Structured details for trip planning — verify access and fees with the land manager before you visit.
- Specimen type
- Agate
- Primary specimens
- Agate, Chalcedony, Chert, Teredo petrified wood
- Fee status
- Fee varies
- Nearest town
- North Dakota
- State
- North Dakota
- Coordinates
- 46.81736, -100.93526
- Best season
- Spring through fall; confirm seasonal road access
- Access difficulty
- Moderate; remote roads possible
- Camping
- Dispersed camping may be available nearby; verify land rules
- Activities
- Rock and mineral collecting
- Facilities
- North Dakota regional services
- Last updated
- July 5, 2026
What to pack for Mandan
Gear we compare for agate & jasper trips like this one — tools, safety, and the hike in.
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The experience
- Best time to visitSpring through fall; confirm seasonal road access
- AccessModerate; remote roads possible
- FacilitiesNorth Dakota regional services
- Camping nearbyDispersed camping may be available nearby; verify land rules
Things you need to take to Mandan
Mechanix Work Gloves with Grip
The default glove for collectors who need feel and protection.
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Osprey Talon 22 Backpack
The pack to save for if you collect more than a few times a year.
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Willit UPF 50+ Sun Shirt UPF 50+
The best all-around sun shirt for rockhounding sites — light enough to collect at, dry enough to hike out in.
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BelOMO 10x Triplet Loupe
The loupe to buy once and carry for decades.
Check price on AmazonDisclosure: Gear links may earn a commission as an Amazon Associate — at no extra cost to you. Learn more.
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Map & location
Sources & updates
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