1. With the construction of the hydroelectric power stations: Itapiranga, Irai, Itá, Machadinho, Barra Grande, Pai-Querê and Passo da Cadeia in Alto Uruguay becoming the most navigable passage.

2. A hidroelectric power station is being built at Campos Novas in River Canoas, which also springs in Urubici, at 1.800 m of altitude - being part of the road of snow, 130 km from Florianópolis. As river canoas is a tributary of river Uruguay where we can return to Urubici passing through the municipal districts of Campos Novos, Brunópolis, Curitibanos, São José de Cerrito, Ponte Alta, Correia Pinto, Lages, River Rufino and Otacílio Costa arriving in the city of Urubici.

3. The extension of the River Uruguay in Santa Catarina is 500 km; where we meet River Peperi-Guaçu, navigable in all its extension for small embarkation. That river makes a boundary with Argentina and it is totally unpolluted. The Argentinean side stays intact and it is the humanity's patrimony called - Argentinean Amazons - being only 200 m above sea level.

In the municipal district of Derrubadas - Rio Grande do Sul, bordering with Argentina we can find the Falls of Yucumã, the largest longitudinal fall in the world at 1.800 m of extension, with falls from 12 to 15 m of height, with a channel depth from 90 to 120 m, located inside the Forest Park of the Turvo with 174 Km2 of virgin forest, through where trails pass for walkers and horse riders which will fascinate tourists of all ages.