Arno, TexasArno is a ghost town in Reeves County, Texas, United States.HistorySituated near the Pecos River and on Texas State Highway 302 and the Atchison, Topeka and Santa Fe Railway, Arno was settled in the early 20th century. A post office operated from 1907 to 1915, with Ola Solman serving as postmistress. At its peak in the 1930s, the population was 10 and it had one business, making it a rival to nearby Orla. Residents began to leave Arno in the 1940s, and the town was abandoned by the 1950s.