Entro, Arizona
Entro, also known as Entro Siding and P and E Junction, was a rail junction in Yavapai [County, Arizona|Yavapai County], Arizona, United States. It has an estimated elevation of above sea level.
It was the point at which the Prescott and Eastern Railroad met the Santa Fe, Prescott and [Phoenix Railway], eventually part of the Atchison, [Topeka and Santa Fe Railway]. In 1917 it had a population of 15. The lines were eventually abandoned.