Valles on Mercury
5 named features carry the IAU descriptor Vallis — a valley on Mercury, out of 249 in the mapped Solar System.
Named
5
of 606 named places on Mercury — 0.8%
Largest
116 km
Timgad Vallis
Median size
95 km
Across the 5 with a measured diameter
Named between
2013–2013
IAU approval dates
How valles on Mercury get their names
The IAU assigns each feature class on each world a naming theme. Across the 5 valles with a recorded origin, 5 categories appear, led by Algeria.
Algeria1Italy1Cambodia1United States1Peru1
All 5 valles on Mercury
Every one has its own page, on the surface it sits on.
Valles elsewhere in the Solar System
The same descriptor is used on 4 other worlds, for 244 more features.