Agates near Missoula, MT
5 of the mapped rockhounding spots within 150 miles of Missoula report agate. The closest is Jefferson River, about 116 miles out (2 hr 25 min drive).
Agates are banded chalcedony nodules that survive long after their volcanic host rock rots away, which is why they concentrate in gravel bars, beaches, and glacial deposits far from where they formed.
Map of 5 agate collecting spots within 150 miles of Missoula, Montana
Closest agates spots to Missoula
- Jefferson RiverMadison County, Montana116 mi · 2 hr 25 min driveAgate, Chalcedony, Jasper
- Salmon RiverIdaho County, Idaho130 mi · 2 hr 42 min driveAgate, Chalcedony, Jasper
- LewistonNez Perce County, Idaho143 mi · 2 hr 59 min driveAgate, Aquamarine, Garnet
- Clearwater RiverNez Perce County, Idaho143 mi · 2 hr 59 min driveAgate, Jasper, Chert
- Meyers CoverLemhi County, Idaho144 mi · 3 hr driveBanded Agate
Types of agates reported near Missoula
Counts reflect how many spots in this radius mention each variety.
Every agate spot within 150 miles of Missoula
Sorted by distance from Missoula. Tap a row for directions, access status, and nearby trips.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Jefferson RiverPrimrose Lane | Madison County | 45.6902, -112.2745 | Public | |
| Salmon RiverSalmon River Trail #96 | Idaho County | 45.4632, -115.7870 | Public | |
| LewistonEaton Road | Nez Perce County | 46.4532, -116.9446 | Public | |
| Clearwater RiverUS 12;US 95 | Nez Perce County | 46.4335, -116.9515 | Public | |
| Meyers CoverWest Fork Camas Creek Road | Lemhi County | 44.8214, -114.4959 | Public |
Agates near Missoula FAQ
Where can I find agates near Missoula?+
5 mapped spots within about 150 miles of Missoula report agate. The closest is Jefferson River in Madison County County, roughly 116 miles away (2 hr 25 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Missoula?+
5 of the 5 spots here sit on land mapped as publicly accessible. Casual hand collecting of common rocks and minerals is allowed on most BLM and Forest Service land with limits set by the local field office; national parks and most state parks are closed to collecting. Confirm current rules with the managing agency before a trip.
What is the fastest way to spot an agate in a gravel bed?+
Look for waxy luster and translucence rather than color. Wet the stone or look right after rain: agate glows softly at thin edges when backlit, while jasper and chert stay opaque. Banding clinches it but is often hidden until the stone is cracked or tumbled.
How far from Missoula do I need to drive?+
The nearest agate spot is about 116 miles out, and the farthest on this list is 144 miles. Most fall inside a normal weekend day-trip radius.
