The Grand Canyon is one of the most recognizable geological formations on Earth. This quiz looks at its incredible history, spanning deep geological time and its status as a modern national park.
You will see questions about the rivers that shaped the canyon, the Indigenous tribes who call it home, and engineering feats like the Skywalk. Some questions are straightforward, while others ask you to remember small details.
When you finish, try exploring other natural wonders, look up some mountains and landscapes, or read about bridges and engineering structures.
Which major river is primarily responsible for carving the Grand Canyon over millions of years?
The Colorado River
The Colorado River
The Columbia River
The Columbia River
The Missouri River
The Missouri River
The Rio Grande
The Rio Grande
In which U.S. state is the Grand Canyon National Park located?
Colorado
Colorado
Arizona
Arizona
Nevada
Nevada
Utah
Utah
In what year did the Grand Canyon officially become a U.S. National Park?
1924
1924
1914
1914
1909
1909
1919
1919
Which part of the Grand Canyon is the most visited, offering the most developed visitor facilities?
North Rim
North Rim
West Rim
West Rim
East Rim
East Rim
South Rim
South Rim
What global designation did the Grand Canyon receive in 1979?
Biosphere Reserve
Biosphere Reserve
National Monument
National Monument
International Dark Sky Park
International Dark Sky Park
UNESCO World Heritage Site
UNESCO World Heritage Site
Approximately how deep is the Grand Canyon on average?
4,000 feet
4,000 feet
3,000 feet
3,000 feet
6,000 feet
6,000 feet
5,000 feet
5,000 feet
Which Native American tribe lives within the Grand Canyon, famous for their waterfalls and remote village, Supai?
Navajo Nation
Navajo Nation
Havasupai Tribe
Havasupai Tribe
Hopi Tribe
Hopi Tribe
Hualapai Tribe
Hualapai Tribe
What is a defining geographic feature of the Grand Canyon’s North Rim compared to the South Rim?
It offers wider views of the river.
It offers wider views of the river.
It is higher than the South Rim.
It is higher than the South Rim.
It gains elevation due to fewer snow falls.
It gains elevation due to fewer snow falls.
It gets more visitors annually.
It gets more visitors annually.
What is the name of the horseshoe-shaped glass bridge located at Grand Canyon West?
Eagle Point Landing
Eagle Point Landing
Glass Bridge
Glass Bridge
Skywalk
Skywalk
Sky Peak Viewport
Sky Peak Viewport
The Grand Canyon Skywalk is located on land owned and managed by which Native American tribe?
Zuni Tribe
Zuni Tribe
Havasupai Tribe
Havasupai Tribe
Hualapai Tribe
Hualapai Tribe
Navajo Nation
Navajo Nation
Most of the exposed rock layers of the Grand Canyon are of what type?
Sedimentary rock
Sedimentary rock
Igneous rock
Igneous rock
Metamorphic rock
Metamorphic rock
Volcanic ash
Volcanic ash
Which is considered the oldest rock formation found at the bottom of the inner gorge of the Grand Canyon?
Bright Angel Shale
Bright Angel Shale
Kaibab Limestone
Kaibab Limestone
Vishnu Schist
Vishnu Schist
Redwall Limestone
Redwall Limestone
Which geological theory explains why the Colorado River cuts through the plateau instead of going around it?
The river path predates the uplift of the Colorado Plateau.
The river path predates the uplift of the Colorado Plateau.
The river was diverted by an ancient glacier.
The river was diverted by an ancient glacier.
The river flows faster than tectonic uplift.
The river flows faster than tectonic uplift.
The river is too shallow.
The river is too shallow.
What is the maximum width of the Grand Canyon from rim to rim?
12 miles
12 miles
18 miles
18 miles
24 miles
24 miles
30 miles
30 miles
Which of the following is true regarding accessibility to the North Rim of the Grand Canyon?
It is easily reached by train year-round.
It is easily reached by train year-round.
It has an airport for commercial jets.
It has an airport for commercial jets.
It is closed in winters.
It is closed in winters.
It is only accessible by river raft.
It is only accessible by river raft.
Approximately how many visitors does Grand Canyon National Park receive per year (as of recent data)?
5.5 million
5.5 million
4.5 million
4.5 million
3.5 million
3.5 million
6.5 million
6.5 million
The Ancestral ________________ people are recognized as one of the major early cultures to build permanent stone dwellings in the Grand Canyon region.
Mohave
Mohave
Ute
Ute
Apache
Apache
Puebloan
Puebloan
Which of these statements accurately describes the construction of the Grand Canyon Skywalk?
The Skywalk is made entirely of tempered plastic.
The Skywalk is made entirely of tempered plastic.
The Skywalk is retractable.
The Skywalk is retractable.
The Skywalk is built on National Park Service land.
The Skywalk is built on National Park Service land.
The Skywalk extends 70 feet over the canyon rim.
The Skywalk extends 70 feet over the canyon rim.
Geologists generally agree the primary erosional formation of the Grand Canyon began approximately how long ago?
2 million years
2 million years
6 million years
6 million years
18 million years
18 million years
12 million years
12 million years
The Grand Canyon is carved into which massive geological feature?
Coconino Plateau
Coconino Plateau
Colorado Plateau
Colorado Plateau
Kaibab Plateau
Kaibab Plateau
San Francisco Plateau
San Francisco Plateau
Which trail is the most well-known and frequented route from the South Rim down into the canyon?
North Kaibab Trail
North Kaibab Trail
Bright Angel Trail
Bright Angel Trail
South Kaibab Trail
South Kaibab Trail
Hermit Trail
Hermit Trail
What is the approximate total length of the Grand Canyon from Lee’s Ferry to the Grand Wash Cliffs?
257 miles
257 miles
277 miles
277 miles
287 miles
287 miles
267 miles
267 miles
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