De Jansmolen or De Modden is a Hollow Post mill in Goëngahuizen, Friesland, Netherlands which has been restored as a landscape feature. The mill is listed as a Rijksmonument, number 34000.
Wikipedia https://en.wikipedia.org/wiki/De_Jansmolen,_Goëngahuizen
Official Website https://www.molendatabase.nl/nederland/molen.php?nummer=72
Address 8497, Netherlands
Coordinates 53°4'58.225" N 5°53'13.299" E