24-52 inches. Gray with a row of large darker gray, brown, or orange, black-bordered spots down the back and a smaller series on each side; top of head with dark bands converging at a point between the eyes; underside white with a black checkerboard pattern, but dark spots smaller than in the Red Corn Snake; scales slightly keeled on top of back, and in 27 rows.
Slowinski's corn snakes occur in well-drained longleaf pine and mixed forests. They are most often seen as they cross roads at night.
Dry uplands of central and northern Louisiana, occurring as far southwest as northern Calcasieu Parish.