Canyon Rim Thundereggs

Location Name: Polkadot Agate Mine / Canyon Rim Thundereggs
Materials: Thundereggs
GPS: 44.76502, -120.82862
When using GPS coordinates to navigate to locations in the backcountry sites like Google will often make mistakes. Please watch this video before venturing out.
Tools: Hammer, pry-bar, geo-pick and a shovel.
Vehicle: Any
Date Visited: July 2022 & September 2023
Additional comments: I would bring lots of water to this location in the summer months and cash for paying for your thundereggs.

The Polka Dot Agate Miners Facebook Group is the best place to stay up to date with what they have going on at the mine.
Any Location Updates Since Visit:

A very lovely baseball sized thunderegg from the Canyon Rim bed.

Pictured here is a Canyon Rim thunderegg under natural light and 365nm UV
Pictured here is a Canyon Rim thunderegg under 310nm midwave UV and 254nm shortwave UV

Polka Dot Agate

The Polka Dot agate is rather nice and can take a fantastic polish. At least at the time of creating this listing in July 2022 the digging of this material by the public isn’t happening but there’s more than enough of it on site for those who want to pick from the pile and buy it.

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