Members of the U.S. military and their families are entitled to free access to national parks when they apply for a free access pass.
U.S. military and the dependents of deployed service members can apply in person at any federal recreation site that charges entrance or amenity fees for the annual pass.
The pass is good for one year from the month obtained and includes the service member plus three adults ages 16 and over. Children ages 15 and younger are not charged fees.
The offer includes free access to Fish and Wildlife Service, National Park Service, Forest Service, Bureau of Land Management and Bureau of Reclamation sites.
Eligible military includes Army, Navy, Air Force, Marines, and Coast Guard, most members of the US Reserves and National Guard. Proper military ID, either CAC or DOD Form 1173, is required.
Veterans and the disabled are also eligible for similar passes under a different program type. For more information, they should visit the page with details for those ages 62 and older or for those with disabilities.
For a complete list of sites that issue passes, visit http://store.usgs.gov/
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