• A bull elk bugles in Yellowstone National Park

    Yellowstone

    National Park ID,MT,WY

There are park alerts in effect.
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  • Craig Pass Closed for the Season; Mammoth to Norris Closed Sept. 14-30

    The road linking West Thumb and Old Faithful is closed for the season—traffic should detour through West Thumb, Lake, and Canyon. The road from Mammoth to Norris is closed for two weeks—traffic should detour over Dunraven Pass. More »

Wolf Report Archives

2012 & Earlier Data: Yellowstone Wolf Project Annual Reports
2012 (1.54 MB pdf)
2011 (3.3 MB pdf) 2003 (903 KB pdf)
2010 (1.9 MB pdf) 2002 (908 KB pdf)
2009 (1.9 MB pdf) 2001 (541 KB pdf)
2008 (2 MB pdf) 2000 (248 KB pdf)
2007 (1.8 MB pdf) 1999 (693 KB pdf)
2006 (1.7 MB pdf) 1998 (320 KB pdf)
2005 (1.7 MB pdf) 1997 (643 KB pdf)
2004 (1 MB pdf) 1995-1996 (1.1 MB pdf)

Did You Know?

Upper Geyser Basin Hydrothermal Features on a Winter Day.

Yellowstone contains approximately one-half of the world’s hydrothermal features. There are over 10,000 hydrothermal features, including over 300 geysers, in the park.