Dorsa on Mars
37 named features carry the IAU descriptor Dorsum — a ridge on Mars, out of 184 in the mapped Solar System.
Named
37
of 2,049 named places on Mars — 1.8%
Largest
2,819 km
Phlegra Dorsa
Median size
356 km
Across the 36 with a measured diameter
Named between
1976–2022
IAU approval dates
How dorsa on Mars get their names
The IAU assigns each feature class on each world a naming theme. Across the 37 dorsa with a recorded origin, 5 categories appear, led by Greek.
Greek21Latin13Egypt1Syria1France1
All 37 dorsa on Mars
Every one has its own page, on the surface it sits on.
Phlegra Dorsa2,819 kmArcadia Dorsa1,953 kmSacra Dorsa1,416 kmIsidis Dorsa1,075 kmHyblaeus Dorsa888 kmHesperia Dorsa818 kmSolis Dorsa780 kmTyrrhena Dorsa779 kmDorsa Brevia651 kmCerberus Dorsa623 kmEumenides Dorsum569 kmUranius Dorsum542 kmMelas Dorsa487 kmGordii Dorsum482 kmJuventae Dorsa481 kmAeolis Dorsa459 kmSinai Dorsa457 kmArena Dorsum372 kmDorsa Argentea339 kmAvernus Dorsa297 kmNilus Dorsa293 kmPasithea Dorsum282 kmAesacus Dorsum277 kmCharis Dorsum251 kmZea Dorsa249 kmFelis Dorsa244 kmPhaenna Dorsum164 kmOxia Dorsum161 kmHegemone Dorsum144 kmCleia Dorsum132 kmCantabras Dorsum91 kmStyx Dorsum90.7 kmAram Dorsum83.3 kmAuxo Dorsum82 kmIamuna Dorsa38.2 kmArago Dorsa27 kmXanthe Dorsa35.9° N, 34.0° W
Dorsa elsewhere in the Solar System
The same descriptor is used on 7 other worlds, for 147 more features.