Tower Jct to Cooke City
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Crossing the Yellowstone River
Northeast Entrance Road
Crystal Creek/Lamar River
Lamar Ranger Station
Soda Butte
Near Pebble Creek
Soda Butte Creek
Northeast Entrance
Click on any road section for more.
![](https://yellowstone.net/maps/wp-content/uploads/sites/6/2021/09/lamarmap.jpg)
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.