Well the system began in 1872 so.......like 138 years old
It didn't. Yellowstone is still called Yellowstone. Old Faithful is the name of a geyser in Yellowstone.
=The west entrance is closest to Old Faithful in the Yellowstone park.=
Yellowstone National Park
Yellowstone National Park
Yellowstone National Park.
The Old Faithful geyser found in Yellowstone Park is an example of a hot spring.
The entire park of Yellowstone rest on a super volcano
OLD FAITHFUL
A Geyser
Old Faithful
No, it's in Yellowstone.
It is named for the Yellowstone River. The river was most likely taken from the name the French Trappers gave to the river, Roche Jaune, "Yellow Rock."