The Windmotor Kolderveense Bovenboer is a modern watermill located on Gorhoek,in the town of Kolderveense Bovenboer. The mill is of the U.S. Wind Engine design, which was very popular in the Friesland region at the start of the 20th century. This particular U.S. Wind Engine was built by the IJlst Bakker mill-making company. The Windmotor Kolderveense Bovenboer is an average-sized mill, with 18 wind sheets. The mill is still in use today, and is not usually open to the public.