Where to Find Agates near Butte, MT
13 of the mapped rockhounding spots within 150 miles of Butte report agate. The closest is Jefferson River, about 25 miles out (31 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.
Every agate spot within 150 miles of Butte
Jefferson RiverMadison County, Montana · 25 mi awayPublic access · Agate, Chalcedony, Jasper +1- Mount BlackmoreGallatin County, Montana · 83 mi awayPublic access · Agate, Chalcedony, Hyalite Opal +1
- CarbellaPark County, Montana · 95 mi awayPublic access · Agate, Jasper, Petrified Wood +1
- MinerPark County, Montana · 96 mi awayPublic access · Agate, Chalcedony, Jasper +1
- Yellowstone RiverPark County, Montana · 98 mi awayPublic access · Agate, Montana Agate, Moss Agate +2
Bakers HoleGallatin County, Montana · 113 mi awayPermission required · Agate- Meyers CoverLemhi County, Idaho · 125 mi awayPublic access · Banded Agate
- Red Hills AgateButte County, Idaho · 133 mi awayPublic access · Chalcedony, Agate
- Yellowstone River - Pelican Fishing AccessSweet Grass County, Montana · 134 mi awayPublic access · Montana Moss Agate, Petrified Wood, Jasper +1
Best spotChallisCuster County, Idaho · 135 mi awayPublic access · Red Agate, Banded Opal- Best spotParker MountainLemhi County, Idaho · 137 mi awayPublic access · Agate, Chalcedony
- Yellowstone River - Bratten Fishing AccessSweet Grass County, Montana · 141 mi awayPublic access · Montana Moss Agate, Petrified Wood, Jasper +1
- Malm GulchCuster County, Idaho · 141 mi awayPublic access · Agate, Petrified Wood
Types of agates reported near Butte
Counts reflect how many spots in this radius mention each variety.
- Agate9
- Montana Moss Agate2
- Banded Agate1
- Montana Agate1
- Moss Agate1
- Red Agate1
Agates near Butte FAQ
Where can I find agates near Butte?+
13 mapped spots within about 150 miles of Butte report agate. The closest is Jefferson River in Madison County, roughly 25 miles away (31 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Butte?+
12 of the 13 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 Butte do I need to drive?+
The nearest agate spot is about 25 miles out, and the farthest on this list is 141 miles. Most fall inside a normal weekend day-trip radius.
Keep exploring from Butte
Where to Find Agates near other cities
Hunt agates around Butte with the map in your pocket
RockHoundR shows these spots on an offline map with public land overlays, geology layers, weather, and a log for your finds.
