Keizersberg Abbey, also known as Mont César Abbey is a Benedictine monastery on the hill Keizersberg or Mont César in the north of the university town of Leuven, Belgium.
Wikipedia https://en.wikipedia.org/wiki/Keizersberg_Abbey
Official Website http://www.keizersberg.be/
Coordinates 50°53'18.875" N 4°41'47.647" E