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Muchowskie Wzgórza (Muchów Hills) are the largest basalt elevation in the Kaczawskie Foothills, located in their eastern part, to the south-east of the village of Muchów. The highest peak in the massif is Mszana (475 m), the eastern part is made of slightly isolated Obłoga (442 m). The summit part includes a small plateau in the centre and a narrow trapezoidal ridge in the west. It is not entirely certain how to interpret this basalt occurrence. It could be a volcanic conduit with the adjacent fragment of a lava flow, or a more complex volcanic body, with two separate conduits (Mszana, Obłoga). The age of basalt is 31.6 million years old.
Basalt outcrops appear as rock steps and spurs up to 10 m high. Further downslope boulder covers extend. They are examples of Pleistocene deposits of solifluction origin, best preserved in the region. They owe their origin to slow creep and flow of waterlogged soil over permanently frozen ground beneath. The Muchów Hills are important from botanical view point too. Their most elevated parts are protected as nature reserve, established in 2015 with the purpose to preserve valuable forest communities with beech, lime and maple, with minor admixture of spruce and many rare species in the ground cover. The reserve occupies 99.92 ha. On the top of the western peak (462 m) a low brick tower dated 1912 stands. However, no panoramic views are possible due to tree growth since the time of construction.