largest rattlesnake in north carolina
3) This snake is unlikely to be 24 feet long. It is a lot closer to the camera than the back-hoe so our perception of size is skewed. My guess is the snake is 10-12 feet long. Still a big snake. 4) Bladen County, North Carolina isn't exactly ground-zero for giant rattlesnakes. The world's largest species of rattlesnake (up to about eight feet long), the Eastern Diamond-back Rattlesnake (Crotalus adamanteus), is known from North Carolina (see range map); historically they occurred in the coastal regions.