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Crossing the Yellowstone River
Northeast Entrance Road
Crystal Creek/Lamar River
Lamar Ranger Station
Near Pebble Creek
Soda Butte Creek
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The Northeast Entrance road passes thru beautiful Lamar Valley, with views of the Absaroka Mountains towering above you. Soda Butte is a terrace of calcium carbonate and was formed by hot water dissolving the underlying limestone and bringing it to the surface.