Mainz-Kastel station is situated on the Frankfurt–Wiesbaden line in Mainz-Kastel, now a suburb of Wiesbaden, in the German state of Hesse. It was opened as part of the Taunus Railway, which was opened in 1839/40. The station was opened as part of the last stage of construction of the line to Wiesbaden and was opened on 19 May 1840.
Kastel station is also served by the Regionalbahn service running between Neuwied and Frankfurt every hour. In the rush hour it extends to a half-hourly service.
Wikipedia https://en.wikipedia.org/wiki/Mainz-Kastel_station
Address 17 Rheinufer, Wiesbaden 55252, Germany
Coordinates 50°0'26.321" N 8°16'55.145" E