Xeriuini: River is located at southwestern of Roraima state, frontier with amazons in a protected ecological reserve, with proximally 1.600.000 acres managed by the city.
Xeriuini is a black and acid water river, helps a non-proliferation of insects and mosquitoes.
With proximally 130 MI long and average depth of 10 feet in the summer time and Many lakes provide fishermen an existing place to hunt for a giant peacock bass.