The Langenberg, also colloquially called the Langenberge (plural) due to its several and widely spaced hilltops, is a hill range of the German Central Uplands which covers an area of over 22 km² and reaches a height of sea level (NHN) at the Schwengeberg. It is a natural region in the Habichtswald Highlands in the counties of Kassel and Schwalm-Eder-Kreis in North Hesse.