"Biertje?" cheatpage
by Prof. Y. Lupardi
Look under the northeast corner of the bridge for a square stone. It is under this. Nearby you can see a yellow ribbon.
All my caches have a yellow ribbon nearby.
Here is a picture of this NE-corner:
For people that do not know it yet: here is an overlook:

On Franc's geocaching pages you can find some pictures he made of the surroundings (spoilers).