Geological Chronicle
Rimae Littrow is a lunar graben structure spanning 165 kilometers in length across the lunar basalt crust. Formed by structural faulting and crustal extension, the trench cuts through terrain within the Macrobius quadrangle (LAC-43).
Officially cataloged by the International Astronomical Union at selenographic coordinates 22.4678° latitude and 30.4736° longitude, the rille designation notes: Named from nearby crater.