the instituto terra brasil in cooperation with the parque national da tijuca is promoting free guided tours, every sunday with departure from the park at 9 am. interested hikers can meet the guides at the centro dos visitantes, located at estrada da cascatinha, 850, alto da boa vista.

trilhas rj specializes in hiking and spelunking tours, and can be contacted via this online form, or by calling (21) 3437-1056 - the tours include trilha das ruinas do sitio humaita and gruta da cascata.