Bistra Charterhouse, Former monastery and technical museum in Vrhnika, Slovenia.

Bistra Charterhouse is a former monastic complex with Renaissance courtyards, stone arcades, and water wheels set in a green valley near Vrhnika. The buildings are arranged around spacious inner courtyards and still contain the old water systems that once powered the monks' daily operations.

Founded around 1255 by Bernard of Spanheim and his son Ulrich III, Duke of Carinthia, Bistra was the first Carthusian monastery in Carniola. A founding charter followed in 1259 or 1260, and Pope Alexander IV granted privileges in 1257. Two fires in 1364 and 1382 began a slow decline. Emperor Joseph II dissolved the monastery on 29 January 1782.

The name Bistra appeared only at the end of the 15th century; before that the house was called Vallis iocosa, or Freudental in German, after the nearby Borovnica stream. The monastery's library was at its most productive in the first half of the 14th century, when monks copied and wrote manuscripts there. Since 1951 the buildings have housed the Technical Museum of Slovenia.

The grounds can be explored on foot with pathways connecting the various courtyards and buildings throughout the complex. Sturdy shoes are recommended as some areas feature cobblestone surfaces and uneven terrain.

The museum displays cars featured in the film Schindler's List as well as vehicles from the era of former Yugoslav leader Tito. This unexpected connection between the monastery site and recent history adds another layer to a visit.