The Tenorio River will test your courage with its rapids class III and IV (irregular and medium waves, complex maneuverings in fast rapids in its class III; intense and powerful but yet predictable in the class IV). Guanacaste features a distinctive dry tropical climate and remains largely undiscovered by foreign visitors. Yet it offers natural treasures—including seven national parks, three wildlife reserves that make out of this province “the place” to enjoy of the wild rapids of the Tenorio. For those already rafters this trip is a must. Its continue challenges await you as you plunge through twists, turns and drops down 8 miles of intense, challenging rapids. All participants must be in a good physical condition. Don’t forget to bring your swim trunks and comfortable wearing clothes to get wet, rubber sole shoes, a complete change of clothes and towel; sun block, sunglasses with secure head straps and a baseball cap or hat that fits tight.