For older Americans who enjoy the great outdoors, it's about to get a lot more expensive. The National Park Service $10 senior lifetime pass was a no-brainer steal. Now after 23 years, the pass jumps to $80. The agency announced it will raise prices for the passes on Aug. 28, so act fast if you want one. The passes, which provide access to 2,000 sites, are for people age 62 and over. The price hike does not affect those who already hold the passes. The new price is now the same as "America the Beautiful" passes, which are annual passes for the general public.

Pauline Frommer, editorial director for Frommers.com, doesn't believe park attendance will be affected by the price increase. "It is a shocker to increase 700 percent. You don't usually see those types of increases so it's a real shame," Frommer said. "But I don't think this will affect National Parks. Visitation numbers have been incredibly high for the Park Service and a large percentage of visitors are from overseas." The legislation mandating the price hike includes a new payment plan to help seniors get a lifetime pass. For the first time, the National Park Service will issue an annual senior pass for $20 and once four annual senior passes have been purchased, the individual will automatically qualify for a senior lifetime pass with no additional fee. The $80 price point still makes senior passes a steal, said Kathy Kupper, public affairs specialist for the National Park Service.

A tourist visits the Chromatic Pool at Yellowstone National Park, Wyoming. Getty Images