What is the tallest mountain and where is it?

Answer 1

K2 is the second highest mountain in Asia and the world. Its elevation is 8,611 m (28,251 ft).
K2 is on the north of Pakistan,

K2 is the second-highest mountain on Earth after Mount Everest. With a peak elevation of 8,611 metres (28,251 ft), K2 is part of the Karakoram Range, and is located on the border between the Taxkorgan Tajik Autonomous County of Xinjiang, China, and Gilgit, in Gilgit-Baltistan of Pakistan-administered Kashmir.

K2 is known as the Savage Mountain due to the difficulty of ascent and the 2nd highest fatality rate among the "eight thousanders" for those who climb it. For every four people who have reached the summit, one has died trying. Unlike Annapurna, the mountain with the highest fatality rate, K2 has never been climbed in winter.
It's called K2 and it's in the same general area as Mt Everest. It's usually held to be technically harder to climb than Everest, as it has more steep passages.
k2
K2 is the second highest 'separarte mountain' in the world. The second highest mountain peak is the south summit of Mount Everest, at 8750 metres, which beats K2 by almost 140m.
According to Columbia Encyclopedia, "K2" in Northern Kashmir, on the China-Pakistan border, is the second-highest mountain peak in the world -- at a height of 8,611 meters above sea level.

To read more about "K2," see the Related Link.
K2 is the second-highest mountain in the world.

Answer 2

K2, which is located in Karakoram Range. Karakoram Range is located on the borders of India, Pakistan and China. K2 is located on the border of Xinjiang, China and Gilgit-Baltistan of Pakistan-administered Kashmir.

Answer 3

The tallest mountain from base to summit is Mount Everest, which is in Nepal.