Mount Thielsen

Mount Thielsen is a stratovolcano in southern Oregon that has been so deeply eroded by glaciers that there is no summit crater and the upper part of the mountain is more or less a horn.

Thielsen's spire-like top is hit by lightning so often that some of its summit rocks have melted into a rare mineraloid called lechatelierite or fulgurite, and the mountain itself has earned the nickname "the lightning rod of the Cascades."
- Wikipedia
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