RCR Rafting Tenorio River Rafting in Guanacaste, Costa Rica offers an exhilarating full-day adventure through one of the country’s most scenic rivers. Guests can paddle through Class III and IV rapids, test their skills on thrilling drops, and enjoy breathtaking views of lush landscapes and diverse wildlife. A highlight of the experience is the optional 12-foot Class V waterfall drop, which adds an extra dose of adrenaline for those seeking excitement.