Genovesa (Tower) Island. It has an area of 14 square kilometers (5.4 sq mi) and a maximum altitude of 76 meters (249 ft) .This Island is formed by the remaining edge of a large caldera that is submerged.
Located on Genovesa Island its Initial highlights are the nesting colonies of the common frigate, the Nazca booby and the swallow-tailed gulls. We also find here nests of red-footed booby, which is the largest nesting colony of Galapagos for pelagic bird.
The visitor site of El Barranco is located in the southern part of Darwin Bay on Genovesa Island. The trail is on volcanic rock that has a length of 1.5 km, everywhere one looks, there are masked boobies on the ground and Red- Footed boobies in the trees. Snorkeling can be done at the beach or alongside the cliffs. The water inside the bay is very rich in nutrients, so one never knows what may be encountered.