New Hampshire and Lake Champlain, south to northern Florida, and west to southeastern Minnesota and central Texas.
Canebrake Rattlesnakes' length ranges from 35 to 75 inches. The northern variation of color is yellow-brown or gray to black with cross-bands. The southern variation has a yellow-brown or pink-gray background with tan or red-brown cross-bands. They all have a dark stripe behind the eye and keeled scales of 23 -25 rows.