The park is bounded to the south by the Piquirí River, which defines the border with the state of Mato Grosso do Sul.
[2] The Encontro das Águas State Park was created by decree 4.881 of 22 December 2004 by the governor of Mato Grosso.
On 17 October 2014 SEMA gave a last call to landowners or leaseholders to provide documentation supporting their claims.
A small local tourism industry has developed since this became known to the outside world, arranging guides, boats and camping expeditions, often run by untrained people and without basic safety equipment.
The American owner then built a camp on the other side of the Piquiri River in Mato Grosso do Sul.
In 2011 it was reported that the environment police of that state had found problems with the new lodge, which had been built without authorization from the responsible environmental agency.