Mark Twain is a crater on Mercury.

[1] Its name was adopted by the International Astronomical Union (IAU) in 1976.

Mark Twain is named for the American author Mark Twain, who lived from 1835 to 1910.

[2] Mark Twain is one of 110 peak ring basins on Mercury.

This article about geology, geography or other features of the planet Mercury is a stub.