Gloydius intermedius, or Central Asian pit viper, is a venomous species of pitviper endemic to northern Asia.

[2] Gloyd and Conant (1990) reported examining subadults and adults of G. intermedius that were 33.5–71 cm (13.2–28.0 in) in total length.

[3] The color pattern is variable, but generally consists of 28-45 dark subquadrate dorsal blotches or crossbands that usually extend down the flanks as far as the first or second scale rows.

A dark brown to black postorbital stripe is present, extending from the eye back to the angle of the jaw, outlined by a light line above, and by cream-colored supralabial scales below.

Golay et al. (1993) give "Yesso (= Esso) Island, banks of Amur River and Khinggan (= Hinggan Ling) Mountain Range.