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2023 spring bicycling between Yellowstone National Park’s West Entrance and Mammoth Hot Springs begins April 7 - NPS

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  2023 spring bicycling between Yellowstone National Park’s West Entrance and Mammoth Hot Springs begins April 7 Cyclists - Anticipate higher than usual snowbanks and stressed wildlife on roads; Do not crowd or push wildlife on roads and be prepared to wait or turn around      Bison walking on road in spring        NPS/Jacob Frank News Release Date:  April 5, 2023 Contact:   Morgan Warthin , (307) 344-2015 MAMMOTH HOT SPRINGS, WY – Beginning Friday, April 7, bicyclists willing to brave the  unpredictable weather  of spring in Yellowstone National Park can ride 49 miles between the West Entrance in West Yellowstone, Montana, and Mammoth Hot Springs. The following  roads  between the West Entrance and Mammoth Hot Springs will open to bicycling: West Entrance to Madison Junction Madison Junction to Norris Junction Norris Junction to Mammoth Hot Springs As conditions allow, bicycles will also be permitted from the East Entrance to the east end of Sylvan Pass (6 miles). Check the  biking we

The spectacular columns of Sheepeater Cliffs - USGS

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  Yellowstone Volcano Observatory (YVO) The spectacular columns of Sheepeater Cliffs Release Date: April 26, 2021 A small side road on the highway between Mammoth Hot Springs and Norris Junction leads to Sheepeater Cliffs, a spectacular example of columnar jointing in a lava flow. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist with the U.S. Geological Survey and Scientist-in-Charge of the Yellowstone Volcano Observatory. Slow cooling of a basaltic lava flow that was erupted about 500,000 years ago resulted in the formation of hexagonal columns at Sheepeater Cliff, in Yellowstone National Park. (Credit: Michael Poland, U.S. Geological Survey. Public domain.) Visitors to Yellowstone might have noticed a small sign between Mammoth Hot Springs and Norris Junction that points dow