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Fossil Butte National Monument, Kemmerer, WY

Photo: TigerScientist, CC BY-SA 4.0, via Wikimedia Commons. Cropped and resized.

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Fossil Butte National Monument

See fossil fish, turtles and early horses from a 52-million-year-old lake bed and hike trails across the buttes.

Chicken Creek Rd off Lincoln County Rd 300, US-30 west of Kemmerer · Kemmerer, WY

About Fossil Butte National Monument

Fossil Butte protects part of ancient Fossil Lake in the Green River Formation, one of the richest records of freshwater life from about 52 million years ago. The visitor center displays more than 80 fossils and casts, from Knightia fish to bats, turtles, crocodiles and early horses. In summer you can watch rangers prepare fossils, then hike the Historic Quarry Trail or take the scenic drive among the colorful buttes.

  • #fossils
  • #national monument
  • #paleontology
  • #hiking trails
  • #visitor center

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