Permits are required for all overnight backcountry trips.
Fishing is permitted in most parts of Sequoia and Kings Canyon National Parks, and on adjacent national forests. Persons 16 years of age or older are required to have a California fishing license. Get copies of park-specific regulations at any visitor center. Licenses are not always available in park markets, so bring them with you or you may get one at Hume Lake (north of the Grant Grove area). Tackle is available at most park markets.
Anyone wishing to visit Crystal Cave must be part of a guided tour. Tour tickets are not sold at the cave entrance; they must be purchased in person at Foothills or Lodgepole visitor centers in Sequoia National Park. Allow at least 1½ hours to drive to the cave. For information about Crystal Cave tours.... For in-depth information about park caves, contact the cave specialist at 559-565-3717.
Certain activities require permits because they may impact park resources or affect the experience of other visitors. Permits are a tool used by the National Park Service to ensure oversight of those activities and, in some instances, to recoup the costs of that oversight
Filming permits are issued for still photography, filming, and associated sound recording to ensure protection of resources, prevent significant disruption to park visitors, or when the activity involves props, models, professional crews, and casts or set dressings. Permits are required for access to areas that are normally closed to the visiting public.
Certain types of activities require a special use permit. These include many types of organized gatherings, distribution of printed material and other public expressions of opinion, and other activities that are controlled or prohibited.