Explore hiking trails around Foz do Iguaçu, Paraná. The best hike near Foz do Iguaçu is Mirador Garganta Del Diablo via Circuito Garganta del Diablo, a 1.2 mile out and back trail in Parque Nacional Iguazú. Foz do Iguaçu has population 285415.0.