The “Serra do Sea”, that in the paranaense side, due to the Treaty of Tordesillas (1494), belonged for a long time to Spain, was considered insurmountable by the Spaniards. Here insurances of Portuguese attacks felt.
The “Serra do Sea” had innumerable prehistoric footpaths that were used by the guaraníes Indians and later by the missionaries Jesuits to arrive from the fertile plateau (Gerais Fields) to the coast.
At the beginning of century XVII, during the fight by the Indian, necessary slaves for the sugar cane production, the footpaths of the “Serra do Sea” were scene of bloody fights between the Indians guarani, Jesuits and the hunters of slaves who invaded Sao Paulo, the “Bandeirantes”. The missions Jesuits resisted only until 1629.
Adventurers and gold prospectors crossed in the following years the “Serra do paranaense Sea” and founded on 1693 the city “Vila de Nossa Senhora gives two Light Pinhais de Curitiba”.
With the discovery of great amounts of gold in Minas Gerais, this activity to that one state was transferred. Thus the tranquility entered Parana.
With the construction of the railroad in 1850, that connected the cities of Curitiba and Paranaguá and where more than 5,000 workers they were killed his, it was only possible to cross the “Serra do paranaense Sea” without difficulty. The escarped walls of 700 ms of height of the Marumbi Bulk, with their 8 tips are witnesses of these historical events.
Nowadays, this train is used as attractive tourist for the region, crossing ebullient landscapes of rainy tropical forest, where activities of senderismo and scaling can be realized in surroundings of great natural beauty.
The population of Morretes has a variable tourist supply, emphasizing the slope in “rubber wheels” by the Nhundiaquara River.