A volcano!
The sharp jagged mountain top is called the peak. The very top of the mountain might also be referred to as the summit.
A crater
Caldera .
It is a plateau
It's a mountain
It is called a volcano, the hole is for the lava to come out.
The top of a mountain is called the SUMMIT.
It is called a blow hole.
The top of the fold mountain is known as a crust.
Its called a Caldera.
The sharp jagged mountain top is called the peak. The very top of the mountain might also be referred to as the summit.
Summit
A peak.
The top of a mountain is called the summit.
The top of a volcano may be a peak, lava dome, vent, crater, or caldera (empty magma chamber), depending on the state of the volcano. The top of any mountain can be called its summit.
Its called a Caldera
Eye