Bothrops ammodytoides is known as "Yarará ñata" (Spanish for "short-nosed yarará"), making reference to its characteristic snout. Found only in Argentina in the provinces of Buenos Aires, Catamarca, Córdoba, Chubut, La Pampa, La Rioja, Mendoza, Neuquén, Río Negro, San Juan, San Luis, Santa Cruz and Tucumán. The vertical distribution ranges from sea level to at least altitude. The type locality was first listed as "northern Argentina" and later emended to "province of Mendoza" Campbell and Lamar (1989). The geographic range of "Bothrops ammodytoides" extends to 47° S Latitude, which may make it the world's southernmost snake. Prefers dry regions, occurring in temperate
Catamarca Province the Snow-Covered Summits of Aconquija, and the San Francisco Pass. The road over the San Francisco Pass, an endeavor developed during the Castillo Administrations (1991–2003) at a high cost in public funds has failed to bring trade and tourism to the underdeveloped Tinogasta county. Cultural attractions include the city of Catamarca, the archaeological park "Las Huellas del Inca", prehistoric petroglyphs, local music, handcrafts and wines. Major highways include Ruta 33 from Catamarca 98 km south to San Martin, 38 from Catamarca north via San Pedro 228 km to Tucuman, 60 north-west from Córdoba Province 577 km from La Guardia north-west