The Tour starts by picking you from your hotel in Angra do Heroismo and going to the center of the island to a zone insert in the Natural Park of Terceira Island.
It´s a hard difficulty walking trail with an extention of 5 kms, that has as one of the highlighs Lagoa do Negro, located exactely in front of Gruta do Natal´s support house.
You´ll also pass on some magical places fill with endemical trees and small lakes who are known as the Lagoinha do Vale Fundo.
By continuing the track you will pass on some vulcanic formations and you´ll get to know why this area is called Misterios Negros.
Since it´s a circular trail, the tour ends in the same starting point where you´ll be brought back to your hotel.