The longest cave in the world is the Mammoth Cave in Kentucky, United States. The scientists believed that the estimated length of the cave is 1,000 mi or 1,600 km.
the longest cave is Mammoth cave it is located in Kentucky, length in miles:367.000 length in meters:590629 depth in feet:379 depth in meters:115.5
It is in central Kentucky near Brownsville.
The longest cave river is in america.
Caves are recorded by passage length totals, not area, except perhaps when analysing their local geographical context. The World's longest is the Mammoth Cave - Flint Ridge Cave system.
mammoth cave if you researched how big mammoth cave is well i don't know how long but it is the longest in the world
Mammoth Cave
Mammoth Cave, Kentucky
Mammoth Cave in Kentucky is the world's longest known cave system. The Jewel Cave system near Custer, South Dakota is ranked as the second longest known cave system.
Mammoth Cave, located in Kentucky's Mammoth Cave National Park in the United States.
The Son Doong Cave in Vietnam is considered the largest cave in the world. It was first discovered in 1991 and is known for its vast chambers and unique ecosystem.
The longest cave system is Mammoth Cave in Kentucky, it's length is 367 miles (591 kilometers).
Mammoth Cave in Kentucky.