Outdoor Activities. Know The Current Conditions. Outdoor Activities - Redwood National and State Parks (U.S. National Park Service) Ride redwood! From a paved scenic drive to downhill single-track through an old-growth forest, the parks offer over 50 miles of designate bicycling routes. For a limited time in summer, Redwood National and State Parks conducts kayak tours of the Smith River. Led by experienced park rangers, visitors will explore a variety of topics, all while paddling pristine waters and enjoying unparalleled scenery. More ».