Did you know that the Appalachian mountains are known for their rich deep pockets of clean burning electricity generating coal.sometimes called black diamonds, and are little nuggets of coal that have been mined from the fertile hills in the Appalachians. Therefore, did you know that the Himalayas mountains stand at about thirty thousand feet and is the tallest peak in the world, 23,613 is how much bigger the Himalayas are than the Appalachian? Both mountains have water in them and they stand very high.