Mt. Elbert in Colorado.
The capital of the state directly south of Colorado is Santa Fe, New Mexico.
Wyoming.
Arizona.
No state is contiguous.
It's New Mexico. Colorado is directly north of New Mexico as Kentucky is directly north of Tennessee.
Arizona is the 48th state and last of the contiguous states, admitted on February 14, 1912.
New Mexico
kansas mostly but Colorado too & in a few odd places Iowa & Missouri & yes even South Dakota i kid you not
Mount Evans, Colorado (14,120 feet, 4,304 meters) - highest road in the 48 contiguous states
The state directly north of Colo. is Wyoming.
The smallest US State, contiguous or otherwise is Rhode Island.