This unique geological formation is located approximately 18 miles east of Butte and north of I-90. The rocks in this unique geologic area chime when tapped lightly with a hammer. 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, if a boulder is removed from the pile, it doesn't ring. Please don't disturb this natural phenomenon!
Activities: Explore geologic formation
Facilities: Parking area and sign information.
Season: Year-round, weather permitting.
Maps: Butte South BLM map or the Pipestone Travel Management Area map available from the Butte Field Office.
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