Deidesheim's municipal area stretches for 26 sqkm , covering parts of three morphological and ecological units, namely the Palatinate Forest, the Weinstraße region's uplands and the Upper Rhine Plain: 23.9% of this area is used for agriculture, mainly grape-growing for wine, 67.9% of it is wooded, 0.6% is water, 7.4% is residential or transport-related and 0.1% of the land fits under none of these headings.