Hierdensche Brook is a stream in the province of Gelderland, Netherlands, [1] [2] with a total length of approximately 25 kilometers. It originates from the Uddelermeer and Bleeke Meer near the village of Uddel and flows northward to its mouth at the Veluwemeer near the village of Hierden. [3] The stream is referred to by different names along various sections of its course. In the area of Leuvenum, it is referred to as the Leuvenumsche Beek, and in the vicinity of Staverden, it is known as the Staverdensche Beek. [4]