Agates near Boise, ID
24 of the mapped rockhounding spots within 150 miles of Boise report agate. The closest is Ada County, about 16 miles out (20 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 24 agate collecting spots within 150 miles of Boise, Idaho
Closest agates spots to Boise
- Ada CountyAda County, Idaho16 mi · 20 min driveAgate, Chalcedony, Jasper
- EmmettGem County, Idaho24 mi · 30 min driveBlue Agate, Opal
- SweetGem County, Idaho29 mi · 37 min driveAgate
- Succor CreekOwyhee County, Idaho37 mi · 47 min driveRed Agate, Green Agate
- HomedaleOwyhee County, Idaho41 mi · 52 min driveAgate, Plume Agate
- Homedale (area)Owyhee County, Idaho47 mi · 59 min driveAgate, Petrified Wood
Types of agates reported near Boise
Counts reflect how many spots in this radius mention each variety.
- Agate17
- Banded Agate2
- Red Agate2
- Black Agate1
- Blue Agate1
- Green Agate1
- Iris Agate1
- Moss Agate1
- Plume Agate1
- Purple Agate1
Every agate spot within 150 miles of Boise
Sorted by distance from Boise. Tap a row for directions, access status, and nearby trips.
Agates near Boise FAQ
Where can I find agates near Boise?+
24 mapped spots within about 150 miles of Boise report agate. The closest is Ada County in Ada County County, roughly 16 miles away (20 min drive). The full list with coordinates is on this page.
Can I collect agates on public land near Boise?+
23 of the 24 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 Boise do I need to drive?+
The nearest agate spot is about 16 miles out, and the farthest on this list is 143 miles. Most fall inside a normal weekend day-trip radius.
Keep exploring from Boise
Agates near other cities
Hunt agates around Boise 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.
