Marienstatt Abbey is a Cistercian monastery and a pilgrimage site in Streithausen, Westerwaldkreis, Rhineland-Palatinate, in the Nister valley near Hachenburg.
The abbey has an early-Gothic Basilica with the largest organ in the Westerwald, a library, a brewery with restaurant, a shop for books and art, a guest house, and a privately supported secondary school, the Privates Gymnasium Marienstatt.
Wikipedia https://en.wikipedia.org/wiki/Marienstatt_Abbey
Official Website https://www.abtei-marienstatt.de/
Address Marienstatt 57629, Germany
Coordinates 50°41'5.704" N 7°48'11.29" E