Lacustrine system of 5 lagoons, formed from the melting of Sangay volcano and other streams that will form the Volcán River, with diameters between 1.7 and 5.2 kilometers the largest, dark blue water, surrounded by vegetation Primary, great amount of flora and fauna.
The lagoon of Sardinayacu is a beautiful place and motivates the tourist to visit it and stay a certain time in it, in addition they constitute all the elements that gives us the nature and the environment in general.
It is one of the lagoons visited by both domestic and foreign tourists, its flora and fauna are considered as important and attractive domestic appeal.
Its access is difficult, from Macas takes a road of 3rd order to the town of beaches of San Luis from where it is necessary to walk 3 h.