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  2. Craighead Caverns - Wikipedia

    en.wikipedia.org/wiki/Craighead_Caverns

    Entrance to cavern. Craighead Caverns is an extensive cave system located in between Sweetwater and Madisonville, Tennessee.It is best known for containing the United States' largest and the world's second largest non-subglacial underground lake, The Lost Sea.

  3. List of caves in Tennessee - Wikipedia

    en.wikipedia.org/wiki/List_of_caves_in_Tennessee

    Home to the Lost Sea, the largest underground lake in the United States and second largest in the world. [7] Cumberland Caverns: Warren County: 27.7 miles (44.6 km) [8] 1810 Devilstep Hollow Cave: Bledsoe County: 360 feet (110 m) [9] 920 AD Located near the head of the Sequatchie River. [10] Dunbar Cave State Park: Montgomery County: 8.067 ...

  4. Sweetwater, Tennessee - Wikipedia

    en.wikipedia.org/wiki/Sweetwater,_Tennessee

    Sweetwater is a city in Monroe and McMinn counties in the U.S. state of Tennessee, and the most populous city in Monroe County. As of the 2020 census, its population was 6,312. [4] Sweetwater is the home of the Craighead Caverns which contains the Lost Sea, the United States' largest underground lake. In 2022, TravelMag named Sweetwater one of ...

  5. Monroe County, Tennessee - Wikipedia

    en.wikipedia.org/wiki/Monroe_County,_Tennessee

    The Lost Sea is a commercially operated cave located 7 miles southeast of Sweetwater in Monroe County. The lake was discovered by Ben Sands in 1905 when he was 13 years old. The underground lake for which it is named is the largest in North America. Today the cave tour features a ride on the lake in boats with electric motors.

  6. Underground lake - Wikipedia

    en.wikipedia.org/wiki/Underground_lake

    Underground lake within Cross Cave in Slovenia, one of 22 such lakes. An underground lake (also known as a subterranean lake) is a lake underneath the surface of the Earth. . Most naturally occurring underground lakes are found in areas of karst topography, [1] [2] where limestone or other soluble rock has been weathered away, leaving a cave where water can flow and accumu

  7. List of National Natural Landmarks in Tennessee - Wikipedia

    en.wikipedia.org/wiki/List_of_National_Natural...

    Largest and best relict prairie remaining in Tennessee. McAnulty's Woods: 1973: Hardeman: private Only known example in western Tennessee of the upland forests of the Mississippi Embayment Piney Falls: 1974: Rhea: state (Piney Falls State Natural Area) Contains a rare virgin mixed mesophytic forest stand. Reelfoot Lake: 1966

  8. Lost Cove, Tennessee - Wikipedia

    en.wikipedia.org/wiki/Lost_Cove,_Tennessee

    Lost Cove was formed by Karst erosion common around the Cumberland Plateau. Its total length from Sewanee to the Crow Creek Valley in Sherwood, Tennessee is approximately 7 miles (11 km). At a partially eroded ridge resembling a Saddle, the cove is divided at the Big Sink and Lost Cove Cave into northern and southern sections. The northern ...

  9. Loyston, Tennessee - Wikipedia

    en.wikipedia.org/wiki/Loyston,_Tennessee

    Loyston is a ghost town in Union County, Tennessee, United States, that was inundated by the waters of the Clinch River after the completion of Norris Dam in 1936. [3] Established in the early 19th century around a foundry built by its namesake, John Loy, over subsequent decades the community's location along State Highway 61 helped it grow ...