This year visitors will have four opportunities to visit land managed by the Bureau of Land Management, including National Parks, for free. The BLM is waiving recreation fees on the following dates during 2012:
Jan 14-16 Martin Luther King, Jr. Weekend
Jun 9 Get Outdoors Day
Sep 29 National Public Lands Day
Nov 10-12 Veterans Day Weekend
Other fees, such as camping and and cabin rentals will remain in effect. Don't forget that "free" can mean "crowded" and "get there early." For more info click here:http://www.blm.gov/wo/st/en/prog/Recreation/BLM_Fee_Free_Days.html