Hooiberg is one of the mountain peaks in Aruba which also happens to have been formed due to a volcanic explosion. They sometimes refer to it as a hill since it is in the middle of the whole island and at any part of Aruba, this volcanic hill formation can be seen. It is not that tall actually. The hill measures at 165 meters or 541 feet. To climb the hill, you can opt to take the paved steps which make the climb easier. You have to conquer 562 steps to get on the top of Hooiberg.