List of Solar System extremes
This article describes extreme locations of the Solar System. Entries listed in bold are Solar System-wide extremes.
By feature
| Record | Data | Feature | Ref. |
| Largest canyon | 4000 km long, 200 km wide | Valles Marineris, Mars | |
| Tallest mountain | 21.9–26 km | Olympus Mons, Mars Unnamed mountain, Máni | |
| Tallest volcano | 25 km | Olympus Mons, Mars | |
| Tallest cliff | 20 km | Verona Rupes, Miranda, Uranus | |
| Largest impact crater | North Polar Basin, Mars |
By class
| Extreme characteristic | Major planet | Dwarf planet | Major moon |
| Densest atmosphere | Venus | Pluto | Titan |