What is the highest mountain in Alaska?
user
The highest mountain in Alaska is Denali, which is also called Mount McKinley.
assistant
How tall is the highest peak of this mountain?
user
The tallest point of Mount McKinley is at 20,320 feet above sea level.  Denali is only one of many tall mountains in Alaska.
assistant
What is the highest mountain in Alaska?
user
The highest mountain in Alaska is Denali, which is also called Mount McKinley.
assistant
How tall is the highest peak of this mountain?
user
The highest peak is called Denali, which is also called Mount McKinley.  Denali is the highest mountain in North America and has a height of 20,310 feet.
assistant
What is the highest mountain in Alaska?