A mountain area with a flat top is called a plateau. Plateaus are elevated landforms that are typically flat on the top and have steep sides.
The mountain with the flat top that presides over Cape Town; one of the world's most beautiful cities is Table Mountain.
The word you need may be 'Plateau'
A mesa is a flat-topped mountain.
A guyot is a flat-topped sea mount
A mesa is a small mountain with a wide, flat top.
a plateau has a flat top a plateau has a flat top
The flat top of a mountain may have been eroded by glaciers moving across the area, gradually wearing down the top of the mountain into a flat plateau. Alternatively, the flat top could be a result of water and wind erosion over a long period of time, leveling the once-peaked mountain.
The word you want is 'Plateau' Spatula
It is called a plateau
A broad mountain flat top is known as a plateau or tableland. It is a flat elevated area on top of a mountain that is usually larger in size compared to a typical summit. Plateaus can form through geological processes like erosion or tectonic activity.
It was named Table Mountain by Antonio Sladanha in 1503 because it's flat top resembles that of a table. Folk tales have it that when it is misty on the mountain it is as if the giants have laid a table cloth on their table.. :)