Very young circular formation (100 millions of years).
Very steep and tormented slopes supporting Street to the South Pictet
to the East Tycho E to the North-West and Tycho B to the West.
Very high walls in very important terraces.
Flat floor. Central mountain 1 500 M high with three main summits.
Crests and hills lines. Craterlets. Furnace of the most important
Dimension: 88x88Km / 52x52Mi
Height: 4800m / 14500ft
Height/Wide ratio: 0.0565
Interest : Exceptional formation
Observation period: 1 day after First Quarter or Last Quarter
Minimal Instrument: 50 mm refractor