The Upper Plasmolen is an historic water-driven corn mill located on St. Maartensweg in the town of Plaasmolen. The mill was built in 1725 as a paper mill, and was converted into a corn and oil mill in 1848. The Upper Pelmolen has been recently restored. The mill is located on a common nature-walk route through St. Jansberg. and is open to the public. The mill is still in use today, and the miller runs regular demonstrations of the mill in use grinding grain for animal feed.