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North America, United States, Wyoming—Tetons, Rolling Thunder Mountains, Renny's Route

Rolling Thunder Mountain, Renny’s Route. This route, the most difficult yet made on this isolated peak, was climbed on July 9, 1980 by George Montopoli and Anne Macquarie. The five-pitch climb ascends the first crack system west of the dihedral that forms the conjunction of the north ridge and the north face. The first two 150-foot leads from the snow at the base of the face involve F9 climbing while the third pitch relents to a mere F3 difficulty. The final leads are F8 up a crack system, then a crawl to the left onto a ledge at the base of a dihedral which was climbed up to a ledge. A final crack led to the summit.