nps.gov - Timpanogos Cave National Monument - News Releases http://www.nps.gov/tica News releases from Timpanogos Cave National Monument. en-us National Public Lands Day and Cave Closing, 2009 http://www.nps.gov/tica/parknews/2009npldclosing.htm Mon, 14 Sep 2009 16:21:38 EST Timpanogos Cave National Monument Celebrates National Public Lands Day on September 26, 2009 with free cave tours.  The caves and cave trail close for the season on October 19, 2009.