As of April 2015, the National Park Senior Pass costs $10. A lifetime pass for people 62 years or older, the Senior Pass allows entry to more than 2,000 sites managed by five federal agencies, such as the National Parks Service and the Fish and Wildlife Service.
The Senior Pass is available either by mail or in person at many federal recreational sites. The mail-in application requires an extra $10 document-processing fee. To find site locations or mailing information, Web users can click Buy Recreation Passes at USGS.gov.
At vehicle-fee sites, Senior Pass holders and passengers in non-commercial vehicles can enter for free. At sites that charge per person, the Senior Pass allows up to three other people in the pass holder's vehicle to enter the site for free.