The mountain is a towering surface of the earth and has a peak, slope, and foot of the mountain. The height of a mountain can reach more than 600 m above sea level. The high mountains that exist in Indonesia include Mount Semeru. Mount Kerinci, and Gunung Puncak Jaya. and many other mountains
In the natural sciences of the mountain can be said as the amplifier of this earth, or in other words as a nail for this world.