Saturday, July 13, 2024: … Although Not Mentioned In ZMM, Our 50th Anniversary ZMM Riders Went By This Interesting Rock Formation Called “The Devil's Rock Slide” .

Along US-89, Six Road Miles NW Of Gardiner, MT.

… Click Here For Wikipedia => “Devil's Slide is an unusual cliff rock formation on the side of Cinnabar Mountain located in Gallatin National Forest in Park County, Montana north of Yellowstone National Park. This distinctive formation can be viewed from Highway 89 and was created from alternate beds of limestone, sandstone, quartzites that have been tilted to lie nearly vertical and have eroded.” …. With 2 Historical B&W Photos And 3 Color Photos, and Map.

… Click Here For YellowstoneInsider.com “Old Yellowstone: History of the Devil’s Slide” …. With The Same Historical B&W Photo And 3 Color Photos.

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… Click Here For A Satellite View Of The “The Devil's Rock Slide”.