Morro da Oração and IMMA Trail
Next to Morro da Boa Vista is Morro da Oração, where the Dolmen da Oração is located along with a set of stones that mark important dates in the solar calendar, such as the equinoxes and solstices. These stones are perfectly aligned with the specific dates of sunrise and sunset.
These alignments were discovered by the fisherman Adnir Ramos in 1988, during his fishing trips along the cliffs of Barra and Galheta. The part of the hill that belongs to his family was explored by him in search of these alignments, today there are two points on the Morro da Oração available to visit, with trails leading to them. During the solstices and equinoxes it's possible to participate in events to observe the alignments.
Access is through the Barra da Lagoa Fortress, at the headquarters of the institute inaugurated by him, the Multidisciplinary Institute of the Environment (IMMA), where it is possible to obtain information and buy products that finance his research.