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Thunderegg

Rabbit Springs Thunderegg Rockhounding: Several rough, round thundereggs on the ground, with one split open to reveal its crystalline interior, surrounded by scattered rocks and desert soil.

Rabbit Springs Rockhounding – Idaho Fluorescent Thundereggs

2025-06-01
OregonThundereggs

Where to Find Thundereggs? – Free and Fee Collecting Sites

2024-10-14
Polished Little Nache Thunderegg

Little Naches Thundereggs – Rockhounding in Central Washington

2024-02-11
Where to Find Thundereggs

Thundereggs – Rough Rock with Unexpected Surprise Inside

2024-02-10
Little Naches River Agate

Little Naches River Rockhounding – Central Washington

2024-01-18
Crane Creek Thunderegg, Oregon

Crane Creek – Oregon Hidden Thunderegg Bed

2023-08-08
White Fir Thundereggs

White Fir Springs: A Jasper Thunderegg Bed in Central Oregon

2023-07-24
Succor Creek Thundereggs

Succor Creek Rockhounding, Eastern Oregon: Thundereggs & Picture Jasper

2023-07-24
Whistler Springs Thundereggs

Whistler Springs Rockhounding in Central Oregon: Thundereggs & Agates

2022-12-25
Lucky Strike Thunderegg - Oregon

Lucky Strike Mine: Pay-To-Dig Thunderegg Site in Oregon

2022-12-25
Priday Polka Dot Agate Mine

Polka Dot Agate Mine Rockhounding: Agates & Giant Thundereggs in Oregon

2022-12-25
Richardson Rock Ranch Thundereggs

Richardson’s Rock Ranch, Oregon: Discover the World-Famous Thundereggs

2022-12-25

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Recent Posts

Willamette River Rocks, Oregon

Willamette River Rockhounding: Geology and What You Can Find

Columbia River Rocks, Washington

Columbia River Rockhounding: Why Most Areas Are Closed to Collecting

Stonerose Interpretive Center in Washington: The picture "Stonerose Interpretive Center two fossil leaves in rock" features a close-up of a light brown rock slab with two distinct, detailed fossilized leaves, their veins and shapes preserved in dark brown impressions.

Stonerose Fossil Site in Republic, Washington – Find and Keep Fossils

Yellowstone River Rockhounding in Montana: The picture "Yellowstone River Rockhounding in Montana – colorful rocks close up" features a close-up view of several colorful rocks, including yellow, red, and white pieces, lying among other pebbles on a sunlit gravel riverbank.

Yellowstone River Rockhounding – Unique Montana Moss Agate

White Bird Fossil Site Rockhounding in Idaho: The picture "White Bird Fossil Site Rockhounding in Idaho – plant fossils in sedimentary rock" features a close-up view of tan sedimentary rocks with visible fossilized plant imprints stacked together in sunlight.

White Bird Fossil Site – Leaf Fossils from Middle Miocene




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Rock & Minerals

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  • Thunderegg

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