The Wiehen Hills are mostly covered by forest. Much of the enclosed forest area in Lübbecke is part of the hill forests of the Wiehen Hills, which begins at around and extends to cover the highest peaks. It is mainly made up of spruce forest, but large areas, particularly in the area south of the town are original beech mixed forests. Apart from the larger woods in Lübbecke Land beyond the town limits, there are only small copses in the lowlands which together comprise less than . Inter alia These are the Stockhauser Busch, small copses in the area of the marina and the birch woods on the Großer Torfmoor. On the border of the town to the north-west at Alswede on the territory of Preußisch Oldendorf is the approximately 44 hectare Hollwinkel Wood. Part of the moor is covered with enclose birch stands. The relative proportion of forest is almost twice as high as the district average (11.2%).