Tico´s River Adventures - Whitewater rafting adventures, kayaking school, offers river trips in the Turrialba and Revantazon regions. Includes photo gallery, information about the guides, and tour details. - http://www.ticoriver.com/
Rainforest World - Offering whitewater rafting, kayaking and mountain adventures in the Orosi and Turrialba areas. Descriptions and photos. - http://www.rforestw.com/
Loco's Costa Rican White Water - Whitewater rafting tours on the Revantzon and Pacuare Rivers. Includes area info, tours and pricing. - http://www.whiteh2o.com/