The Rio Vacacaí is a river in the state of Rio Grande do Sul in southern Brazil. It is distinct from the Vacacaí-Mirim River, though both are located in the same region. The river serves as a destination for kayaking and paddle boarding, with resources available to help paddlers locate boat ramps and public access points for putting in and taking out. These launch points are considered key facilities for a paddling trip. The overall character of the paddling experience is oriented towards recreation and accessing the natural environment. The surrounding area includes bridges over the river, which can serve as landmarks during a paddle. The climate of southern Brazil suggests that the most favorable seasons for paddling would likely be during the warmer months, avoiding the regional winter. Water quality and specific hazards are not detailed, so paddlers should exercise standard precautions and seek local knowledge for current conditions. The river's course through the state contributes to the local landscape, but its specific geographical characteristics, such as length or flow, are not described for paddlers.