
Ada County
Ada County is a documented mineral occurrence near ID. Reported specimens include Agate, Chalcedony, Jasper, Petrified wood, Opalized wood. Verify land access and collecting rules before visiting.
View detailsWhere to find agates and jasper in the U.S. — Lake Superior beaches, Ellensburg blue, Wyoming Sweetwater fields, Texas Terlingua, Mojave desert beds, and colorful chalcedony shorelines.
22 agate & jasper destinations in Idaho.
Rockhounding sites in Idaho — agate & jasper: 22 spots in our directory. Sort live from your phone with near me, or browse all U.S. agate & jasper rockhounding sites and the Idaho state page.
Guides & hubs: Idaho rockhounding guide · Rockhounding near Boise — Owyhee day trips & legal digs · Gem mining near me — Spencer Opal & public digs
Where to find agates and jasper in the U.S. — Lake Superior beaches, Ellensburg blue, Wyoming Sweetwater fields, Texas Terlingua, Mojave desert beds, and colorful chalcedony shorelines.
We currently document 22 agate & jasper collecting sites in Idaho. Each listing includes original descriptions, visitor notes, and last-updated dates when available.
Agate & Jasper destinations in Idaho vary widely in access, season, and legality. Some are official recreation areas; others are informal gravel bars. Read the access and safety sections on each listing — never assume collecting is allowed without checking current signage.
For trip planning beyond this filter, browse the full Idaho state page, our guides, or use near me to sort by distance from your location.

Ada County is a documented mineral occurrence near ID. Reported specimens include Agate, Chalcedony, Jasper, Petrified wood, Opalized wood. Verify land access and collecting rules before visiting.
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Bakers Hole is a documented mineral occurrence near ID. Reported specimens include Agate. Verify land access and collecting rules before visiting.
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Bruneau Canyon is a documented mineral occurrence near ID. Reported specimens include Bruneau Canyon Jasper. Verify land access and collecting rules before visiting.
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Bruneau Desert is a documented mineral occurrence near ID. Reported specimens include Agate, Chalcedony, Jasper. Verify land access and collecting rules before visiting.
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Carey is a documented mineral occurrence near ID. Reported specimens include Jasper, Moss Agate. Verify land access and collecting rules before visiting.
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Cascade is a documented mineral occurrence near ID. Reported specimens include Agate, Petrified wood. Verify land access and collecting rules before visiting.
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Challis is a documented mineral occurrence near ID. Reported specimens include Red Agate, Banded Opal. Verify land access and collecting rules before visiting.
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Clearwater River is a documented mineral occurrence near ID. Reported specimens include Agate, Jasper, Chert, Fibrolite. Verify land access and collecting rules before visiting.
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Emmett is a documented mineral occurrence near ID. Reported specimens include Blue Agate, Opal. Verify land access and collecting rules before visiting.
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Classic Owyhee County plume-agate locality west of Homedale, Idaho — historically one of the most famous western U.S. agate fields. Much of the ground is now private or claim-controlled; verify legal access before collecting.
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Grouse Creek is a documented mineral occurrence near ID. Reported specimens include Banded Agate, Iris Agate, Chalcedony. Verify land access and collecting rules before visiting.
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Hog Creek is a documented mineral occurrence near ID. Reported specimens include Thundereggs, Amethyst. Verify land access and collecting rules before visiting.
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Homedale is a documented mineral occurrence near ID. Reported specimens include Agate, Plume agate. Verify land access and collecting rules before visiting.
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Homedale (area) is a documented mineral occurrence near ID. Reported specimens include Agate, Petrified wood. Verify land access and collecting rules before visiting.
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Lewiston is a documented mineral occurrence near ID. Reported specimens include Agate, Aquamarine, Garnet, Gold, Quartz crystals. Verify land access and collecting rules before visiting.
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Little Wood River is a documented mineral occurrence near ID. Reported specimens include Agate, Chalcedony, Jasper. Verify land access and collecting rules before visiting.
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Malm Gulch is a documented mineral occurrence near ID. Reported specimens include Agate, Petrified wood. Verify land access and collecting rules before visiting.
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Meyers Cover is a documented mineral occurrence near ID. Reported specimens include Banded Agate. Verify land access and collecting rules before visiting.
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Parker Mountain is a documented mineral occurrence near ID. Reported specimens include Agate, Chalcedony. Verify land access and collecting rules before visiting.
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Salmon River is a documented mineral occurrence near ID. Reported specimens include Agate, Chalcedony, Jasper, Petrified wood. Verify land access and collecting rules before visiting.
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Succor Creek is a documented mineral occurrence near ID. Reported specimens include Red Agate, Green Agate. Verify land access and collecting rules before visiting.
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Sweet is a documented mineral occurrence near ID. Reported specimens include Agate. Verify land access and collecting rules before visiting.
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