Bothriechis aurifer is a pit viper species found in Mexico and Guatemala.

Over 90% of all specimens have the usual dark dorsal pattern, but a few are uniform green and have no postocular stripes.

[3] Found in Mexico in the mountains of eastern Chiapas, and in northern Guatemala.

The type locality given is "Cobán, [Alta] Vera Paz, Guatemala.

[6] A species is listed as such when the best available evidence indicates that the extent of occurrence is estimated to be less than 20,000 km², the population to be severely fragmented or known to exist at no more than 10 locations, Therefore that a continuing decline has been observed, inferred or projected in the area, extent and/or quality of habitat and in the number of mature individuals.