Float trips down the waters of the Grand Canyon are fun experiences you will remember forever. The magnitude of the canyon is awe-inspiring and the diverse scenery is spectacular. An amazing two billion years of history is reflected in the 277 mile long canyon. The Grand Canyon National Park has become on of the most popular destinations in the United States, and there are all kinds of tours available to help you explore it. Many people believe Grand Canyon rafting tours give you the best opportunity to see and experience the area's wonders. You'll be amazed at the beautiful surroundings as you leisurely float down the Colorado River. The Colorado River can be quite challenging for boaters and whitewater rafting enthusiasts are drawn to the area from all over the world. Several Colorado River whitewater rafting tours are available, but one of the most popular is a four-day experience that begins at Lee's Ferry and ends at Phantom Ranch. Some people aren't cut out for whitewater rafting though. Fortunately, the Colorado River isn't just one set of rapids after another ? along some parts of the river the water is quite smooth. Float tours along these calm waters move at a more leisurely pace. These tours often stop at attractions or include hiking expeditions too. Most Grand Canyon smooth water rafting tours begin at the base of Glen Canyon Dam and end at historic Lee's Ferry. These tours are day-long, exhilarating experiences. Your best bet may be to take a combination tour that offers thrilling whitewater rafting with calmer smooth water floating. The thing is, you can choose any type of rafting tour you prefer based upon your preference and budget. You can even choose Grand Canyon water rafting tours that last up to five days. All of the tours are quite popular and it is a good idea to book them up to a year in advance. I suggest you plan well ahead and purchase your tickets as soon as you finalize your travel plans. These longer rafting tours typically began at Diamond Creek. The die-hard enthusiasts may even like to book a multiple day water tour that lasts up to 25 days. The longer you can stay, the more spectacular scenery you can enjoy. In addition, the tours can be self-guided, or you can opt for a guided tour. A guided tour has the benefit of being led by an expert on the local wildlife and behavior of the river. Some rafts used for Grand Canyon rafting trips are motorized, while others are not. Different-sized rafts are also available, with seating for a few people up to about a dozen. You may not get to select the exact raft you will use until you get to the launch point, although it is possible you can choose your raft when you book your tickets. The most relaxing Grand Canyon water rafting trip is the smooth water float tour. These rafts stay in calm waters and are ideal for families, since they allow children who are at least four years of age. These tours normally use motor operated rafts. The smooth water floats are ideal tours for anyone who wants to have the time to soak up the beauty of the surrounding canyon.