The North Pole Viper is a reptile of the Viperidae family. The male polar viper is 435 to 500 mm long, and the female polar viper is 505 to 560 mm long. The head is slightly triangular, which is clearly different from the neck.

The northern viper has a blunt snout, a thick trunk and a short tail. Grey or olive yellow dorsally, with a wavy or zigzag light black longitudinal stripe along the dorsal spine, with a row of spots on each side, ventral surface is uniform gray with light-colored spots, tail end usually yellow, with a >< Shape black spots, with a dark longitudinal stripe behind the eyes, white or light yellow scales on the upper lip, brown anterior margins, large nostrils, located in the center of the nasal scales.