Posted by Ranger Holly on October 11, 2001 at 15:42:22:
In Reply to: How many years has yellowstone bean opened. posted by Kent Glasser on October 11, 2001 at 14:52:44:
: How many years exactly has Yellowstone National Park been operating.
Yellowstone was signed into law as the world's first national park on March 1, 1872. It is 129 years old!
Thanks for you question, Kent!