Agates near Boise, ID

43 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 43 agate collecting spots within 150 miles of Boise, Idaho

Closest agates spots to Boise

Types of agates reported near Boise

Counts reflect how many spots in this radius mention each variety.

Every agate spot within 150 miles of Boise

Sorted by distance from Boise. Tap a row for directions, access status, and nearby trips.

SpotCountyMineralsCoordinatesAccess
Ada CountySouth Pleasant Valley RoadAda County43.3845, -116.2326Public
EmmettPayette Riverwalk TrailGem County43.8775, -116.5183Public
SweetLiberty RoadGem County44.0335, -116.3102Public
Succor CreekEast Selway DriveOwyhee County43.6251, -116.9486Public
Graveyard PointSouth State Line RoadOwyhee County43.5740, -117.0218Check locally
HomedaleOwyhee County43.5532, -117.0249Public
Homedale (area)Texas Basin RoadOwyhee County43.2587, -117.0090Public
Succor Creek General AreaMalheur County43.3600, -117.1093Public
RockvilleSuccor Creek RoadMalheur County43.3237, -117.1197Check locally
Haystack ButteHaystack Rock RoadMalheur County43.7070, -117.2570Check locally
CascadeOne Eleven WayValley County44.4714, -115.9928Public
Twin SpringsDry Creek RoadMalheur County43.6019, -117.4108Check locally
Twin SpringsMalheur County43.6938, -117.4122Check locally
Grouse CreekWashington County44.3758, -117.1738Public
BroganJohn Day HighwayMalheur County44.2320, -117.5106Public
Shirttail CreekShirttail Creek RoadBaker County44.5176, -117.4194Public
Bruneau DesertBalanced Rock RoadOwyhee County42.5729, -115.1896Public
Ironside and Malheur ReservoirMalheur County44.3624, -117.6981Public
Warm Springs Reservoir - Site 4Juntura-Riverside RoadMalheur County43.6073, -118.1498Check locally
Warm Springs Reservoir - Site 3Juntura-Riverside RoadMalheur County43.5999, -118.1503Check locally
Beulah ReservoirBeulah RoadMalheur County43.9242, -118.1471Check locally
Warm Springs ReservoirHarney County43.6216, -118.2435Permission
Warm Springs ReservoirWarm Springs RoadHarney County43.6395, -118.2855Check locally
Warm Springs ReservoirWarm Springs RoadHarney County43.6450, -118.3052Check locally
Parker MountainNational Forest Development Road 68Lemhi County44.6068, -114.5458Public

Agates near Boise FAQ

Where can I find agates near Boise?+
43 mapped spots within about 150 miles of Boise report agate. The closest is Ada County in Ada 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 43 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 144 miles. Most fall inside a normal weekend day-trip radius.

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