La Dauphine Rupes (Mercury)
French; royal ship used for a voyage in search of the eastern coast of Asia, determined that North America was not an extension of Asia, 1524.
A rupes is a scarp. On Mercury they are named after ships of discovery or scientific expeditions.
Image Source. Marker locations are approximate and may not always appear to align with image on map.
La Dauphine Rupes
66.3° N 333.38° E