The newest rock
US park rangers
down to the Inner Canyon.
huge, beautiful, and amazing.
The word GRAND means
help visitors and keep the park clean and safe.
The canyon is 1.6 km
owns the Grand Canyon.
Mules carry visitors
The canyon is 446 km
the river's water (erosion).
is at the top of the canyon.
is at the bottom of the canyon.
visit the Grand Canyon each year.
You can also go
in Northern Arizona.
The oldest rock
deep.
Millions of people
The Grand Canyon was made by
The Grand Canyon is
The coloured stripes on the walls
rafting on the Colorado River.
are layers of rock.
The US Government
long.
