The fat end that's connected to the land, it's opposite the pointed end.
the oppposite OS the base of a mountain is the summit
The opposite of the base of a mountain is its peak or summit. The base of a mountain refers to the bottom or lowest point of the mountain, while the peak is the topmost point. It is the highest elevation of the mountain where the slopes converge.
base of a mountain
The base of a mountain is typically referred to as the mountain's "foothill" or simply as the "base" of the mountain.
The base word of mountaineering is "mountain."
"Base" of a mountain is widely recognized as correct.
It is at the base of the Alps.
A valley
The change in elevation from the base of the mountain to the top is known as the mountain's elevation gain. It is calculated by subtracting the base elevation from the summit elevation.
The antonym base of a mountain refers to the lowest point or bottom of the mountain, often called the mountain's foothill or base camp. It is the opposite of the peak or summit of the mountain, which is the highest point. The base of a mountain typically serves as a starting point for climbers or hikers to begin their ascent.
I'm assuming that you would be referring to the "peak" of a mountain. The peak of the mountain is generally the tallest point; thus opposite of the base.
The amount of time needed to walk around the base of a mountain depends on which mountain and how big it is.