Q 01/05

Which interstate highway delivers most visitors straight to the park, at Exit 48?

A) I-75

B) I-64

C) I-65

D) I-24

Answer · why

C) I-65

The park lies in south-central Kentucky, mostly in Edmonson County, with the visitor center on Mammoth Cave Parkway.

Q 02/05

Mammoth Cave holds what world record?

A) Longest known

B) Deepest known

C) Largest single chamber

D) Oldest known paintings

Answer · why

A) Longest known

Over 426 miles have been surveyed, more than 1.5 times the second-longest, Mexico's underwater Ox Bel Ha, and new miles are added every year.

Q 03/05

As of 2025, roughly how many miles of Mammoth Cave passage had been surveyed?

A) About 90

B) About 200

C) More than 1,000

D) More than 426

Answer · why

D) More than 426

That figure has grown from 144 miles at the 1972 connection to nearly 300 after another cave was linked in 1983.

Q 04/05

Which waterway runs through the park, fed by the Nolin just inside the boundary?

A) Cumberland River

B) Green River

C) Barren River

D) Rough River

Answer · why

B) Green River

The stretch inside the park is a designated state Wild River; a 1906 lock and dam at Brownsville once let steamboats reach the cave.

Q 05/05

What does the name Mammoth actually refer to?

A) Woolly mammoth fossils found inside it

B) The mammoth-shaped Rotunda chamber

C) A pioneer settler surnamed Mammoth

D) The huge size of the passages by the entrance

Answer · why

D) The huge size of the passages by the entrance

No mammoth fossil has ever been found in the cave; the name predates any idea of how long the system really was.