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Obscura Day in Butte, MT

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Synchronized Ringing Rocks Concert in Butte, Montana

Atlas Obscura

Saturday, March 20, 2010 at 10:30 AM (MDT)

Synchronized Ringing Rocks Concert in Butte, Montana

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Event Details

Near Butte Montana, some very special  stones exist. Part of the edge of the Boulder Batholith, and found in a large jumbled pile of boulders, the rocks in this unique geologic formation chime melodically when tapped lightly with a crescent wrench or mallet.

It is believed that the ringing is a combination of the composition of the rock and the way the joining patterns have developed as the rocks have eroded away, though ultimately a concrete scientific explanation has yet to be arrived at. Curiously, if a boulder is removed from the pile, it no longer rings.

Syncronized with another such ringing rocks park in Pennsylvania, this will be the first simultaneous "rock" concert ever performed. Bring hammers, mallets, wrenches, and other percussive instruments for this gathering on Obscura Day to collectively rock out in this most curious of rock parks.



Meetup will be at 10:30 at the Pipestone trailhead.

This unique geological formation is located approximately 18 miles east of Butte and north of I-90 on BLM land just beyond the Pipestone trailhead.

Take Exit 241 (Pipestone) from I-90 and travel east on a gravel road (parallels interstate) for about three-fourths of a mile, then turn north on a gravel road, cross the railroad tracks and continue north for approximately 3 miles. A high clearance vehicle is recommended.

Bring trail mix and drinking water. Wear hiking shoes.



Obscura Day is an international celebration of curious places happening around the world on March 20, 2010. It is sponsored by Atlas Obscura, a guide to the world's wonders, curiosities, and esoterica. To find out more about the Atlas and Obscura Day, or to find out how you can host an event in your city, visit, or follow us on Twitter or Facebook.

While you are out exploring, we encourage you to take pictures and tag them on Flickr as Obscura Day and tweet using #obscuraday so we can all watch Obscura Day unfold all over the world.

The Ringing Rocks of Montana on Atlas Obscura


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When & Where

Exit 241
Pipestone Trailhead
Butte, MT 59701

Saturday, March 20, 2010 at 10:30 AM (MDT)

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