A landform is a natural or anthropogenic land feature on the solid surface of the Earth or other planetary body. Wikipedia

Natural feature of the surface; geomorphological unit in the Earth sciences Wikidata

Any physical, recognizable form or feature of the Earth's surface, having a characteristic shape and produced by natural causes; it includes major forms such as plane, plateau and mountain, and minor forms such as hill, valley, slope, esker, and dune. Taken together the landforms make up the surface configuration of the Earth's. OmegaWiki