Fossil Ridge

Did you know that the entire state of Colorado was once at the bottom of a vast, life-supporting sea? Take a trip back in time to Kremmling’s Fossil Ridge and discover the remains of the aquatic creatures who once inhabited this ancient ocean.

What will you see? Exceptionally large and well-preserved fossils of giant ammonites and many other groups of marine invertebrate fossils including nautiloids, bivalves and gastropods which lived about 70 million years ago. The fossils found here are the largest specimens of this Cretaceous group known in North America. Exceptionally diverse fossil biota, including rare tropical and subtropical forms represent an unusual fossil assemblage in size.

Stop into the BLM Kremmling Field Office at 2103 E Park Ave. in Kremmling for more information and a map to the site.

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