Stein's Pass, is a gap or mountain pass through the Peloncillo Mountains of Hidalgo County, New Mexico. The pass was named after United States Army Major Enoch Steen, who camped nearby in 1856, as he explored the recently acquired Gadsden Purchase.[1] The pass is in the form of a canyon cut through the mountains through which Steins Creek flows to the west just west of the apex of the pass to the canyon mouth at 32°13′19″N 109°01′48″W / 32.22194°N 109.03000°W.