a great way to get a hiking guide in this region is via the many local hotels and pousadas.  

there are several different and interesting options to easily get to niteróifrom rio - and all are quite scenic.

there is a ferry that shuttles passengers between rio and niteróithat's a pleasant and affordable trip.

it takes between 10 and 20 minutes to cross the bay, and the fare varies depending on the boat and the route.