With an astounding twelve thousand rivers and three million lakes that total more than 40 percent of the nation’s surface-water resources, Alaska's options for paddle sports are, in a word, infinite. The following Alaska kayaking, whitewater rafting and float tour operators are experts at getting you on the water and guiding you through the state's wet and wild wonderland. And with many of them, you can customize your Alaska raft or kayak trip by adding a day of fishing, a day hike or a bike tour.