• The Historic Entrance of Mammoth Cave

    Mammoth Cave

    National Park Kentucky

Mollusks

Nature and Science
One of Green River's diverse mussel species
(Kentucky State Nature Preserves Commission)
The Green River in Mammoth Cave National Park contains the most diverse population of freshwater mussels in North America, and one of the most diverse populations in the world. Among the species found in the river are the Ring Pink, Rough Pigtoe, Pistolgrip, Fatmucket, Spectaclecase, Plain Pocketbook, Washboard, Sheepnose, and Snuffbox. Several of the mussel species are federally endangered. A snail (Antroselates spiralis) is found in cave environments.

Did You Know?

Canoes on Green River

The Green and Nolin Rivers course more than 30 miles through Mammoth Cave National Park, offering hours of boating, canoeing, fishing, and floodplain camping.