this bus ride is about 40 kilometers long, lasts about 100 minutes, until the bus stop at estrada barra de guaratiba 334, about 120 meters away from the bus stop for bus line 874a (marambaia x estação ilha de guaratiba), that gets to the destination at the last  stop. 

alternatively bus line 2337 also stops  at avenida rainha elizabeth da bélgica 11, and can be used in conjunction with bus line 867 once at estrada barra de guaratiba.  

depending on the day and traffic conditions, this bus line stops at the entrance to the marambaia, easily recognizable by the presence of a tall white rounded bridge.    

bus schedules are subject to frequent changes, and there may be new routes offered at any time, so it is always best to consult with a local guide or hotel concierge to confirm details in advance.