cs ecoturismo  specializes in eco-tourism and includes information on  rio de janeiro's caves - publishing information on the circuito das grutas, complexo espeleológico do archer, the site is an amazing resourse for nature around the city and state.

if individuals are interested in hang gliding, kitesurfing or hiking cs ecoturismo has the information - they can be contacted via email on this form.

crux ecoaventuras offers guided tours in several of the caves of the tijuca forest - they have a multitude of adventures in hiking, climbing and enjoying the beach - they can be contacted by telephone at (21) 3322.8765,  3474.1726 or their webpage.