Yellowstone Insider Your Complete Guide to America's First National Park
With sections of Yellowstone National Park just opening or still closed because of heavy snowpack in May, it's no surprise visitation has been down this year when compared to the record year of 2010.
Yellowstone 2011 Visitation Down; Weather Culprit
Yellowstone Visitation Up for 2010, Down in May
Bad weather led to a drop in Yellowstone National Park attendance from May 2009 when compared to May 2010, but don't be concerned: the 2010 numbers are up overall, and the May 2010 final tally is still the fourth-best in Park history.