How long has the mountain been around?

Answer 1

The age of a mountain varies depending on its formation process and geological history. For instance, the Rocky Mountains are around 80 million years old, while the Appalachian Mountains are over 480 million years old. Some mountains, like those formed by volcanic activity, can be much younger, emerging in just a few thousand years. Overall, mountains can range from a few thousand to hundreds of millions of years old.