Mørke Mose (also called Mørke Kær) is the remains of a large marsh area of 500 ha. The remaining marsh area is around 120 ha, where half of it is water-filled peats.
The largest peat is over 25 ha. Access to the marsh via a dirt road that goes between Gl. Mørkevej and Løkkenvej. Along this road you can walk across the marsh.