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Tholi on Mars

29 named features carry the IAU descriptor Tholus — a small domical mountain or hill on Mars, out of 109 in the mapped Solar System.

Named
29
of 2,049 named places on Mars — 1.4%
Largest
698 km
Cerberus Tholi
Median size
54.5 km
Across the 29 with a measured diameter
Named between
1973–2021
IAU approval dates

How tholi on Mars get their names

The IAU assigns each feature class on each world a naming theme. Across the 29 tholi with a recorded origin, 4 categories appear, led by Greek.

Greek16Latin9China3Great Britain1

All 29 tholi on Mars

Every one has its own page, on the surface it sits on.

Tholi elsewhere in the Solar System

The same descriptor is used on 4 other worlds, for 80 more features.