KUON GEO

Mars, named after Spain

23 named features. The International Astronomical Union records why each name was chosen, and those reasons are printed below exactly as they were approved.

FEATURES · 23

NAMETYPESIZEWHY THAT NAME
Durius Vallesvalley240 kmClassical name for modern Douro River, Portugal.
Marte Vallisvalley231.4 kmSpanish word for "Mars".
Tader Vallesvalley200 kmAncient name for present Segura River, Spain.
Tinto Vallisvalley192 kmRiver in Spain.
Tagus Vallesvalley144.6 kmAncient and modern river in Spain, Portugal.
Comas Solacrater120.2 kmJose; Spanish astronomer (1868-1937).
Chiacrater91.9 kmTown in Spain.
Iberus Vallisvalley87.3 kmClassical name for river present Ebro River in NE Spain.
Isilcrater77.1 kmTown in Spain.
Morellacrater77 kmTown in Spain.
Termes Vallisvalley55.6 kmClassical river in ancient Lusitania, present Tormes River, Spain.
Paloscrater54.8 kmTown in Spain.
Torocrater41.4 kmTown in Spain.
Calahorracrater34.2 kmTown in Spain.
Galdakaocrater33.4 kmEuskadi (Basque) town in Spain.
Llanescocrater29.4 kmProbably named for Llanes, a town in Spain.
Viverocrater27.1 kmTown in Spain.
Escorialcrater22.2 kmTown in Spain.
Berrocalcrater11 kmVillage in Spain.
Yebracrater4.9 kmTown in Spain.
Madridcrater3.8 kmSpanish tracking site.
Castrilcrater2.2 kmTown in Spain.
Cádizcrater1.4 kmSpanish port.
Names and their origins come from the IAU Gazetteer of Planetary Nomenclature (USGS Astrogeology), retrieved 2026-08-14.
All named features ｜ KUON MARS map ｜ About the map ｜ The temperature on Mars ｜ How far away Mars is
DATA: IAU / USGS Astrogeology · NASA MGS MOLA · NASA Mars Odyssey THEMIS