Visitors can explore the only navigable river in Hawaii through various boating options. Kayaking is a popular activity, with rentals and guided tours available for both experienced paddlers and beginners. The journey often includes a trip up to Fern Grotto, an impressive lava cave filled with hanging ferns. Another option is taking a riverboat cruise which provides scenic views of tropical rainforests, exotic plants and wildlife along the way.
Enjoy freshwater fishing in a tropical paradise, targeting species like mullet and tilapia. A valid Hawaii fishing license is required.