Mount Sinyella is a 5,441-foot-elevation (1,658 meter) summit located in the western end of

Grand Canyon National Park Grand Canyon National Park, located in northwestern Arizona, is the 15th site in the United States to have been named as a national park. The park's central feature is the Grand Canyon, a gorge of the Colorado River, which is often consider ...

, in

Coconino County Coconino County is a county in the north-central part of the U.S. state of Arizona. Its population was 145,101 at the 2020 census. The county seat is Flagstaff. The county takes its name from ''Cohonino'', a name applied to the Havasupai p ...

of northern

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

, US. It is situated 1.7 mile (2.7 km) north-northwest of Uqualla Point, and four miles (6.4 km) southeast of Boysag Point, at the mouth of Havasu Canyon. As the high point of Sinyella Mesa, it towers 1,200 feet above the mesa, and 3,600 feet above the nearby

Colorado River The Colorado River ( es, Río Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and northern Mexico. The river drains an expansive, arid drainage basin, watershed that encompasses parts of ...

which is 1.5 mile to the northwest. This isolated

butte __NOTOC__ In geomorphology, a butte () is an isolated hill with steep, often vertical sides and a small, relatively flat top; buttes are smaller landforms than mesas, plateaus, and tablelands. The word ''butte'' comes from a French word mea ...

is an erosional remnant composed of

Permian The Permian ( ) is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.9 Mya. It is the last period of the Paleoz ...

Kaibab Limestone The Kaibab Limestone is a resistant cliff-former, cliff-forming, Permian geologic formation that crops out across the U.S. states of northern Arizona, southern Utah, east central Nevada and southeast California. It is also known as the Kaibab Fo ...

and Coconino Sandstone. This sandstone, which is the third-youngest stratum in the Grand Canyon, was deposited 265 million years ago as sand dunes. According to the

Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...

system, Mount Sinyella is located in a

Cold semi-arid climate A semi-arid climate, semi-desert climate, or steppe climate is a dry climate sub-type. It is located on regions that receive precipitation below potential evapotranspiration, but not as low as a desert climate. There are different kinds of semi-ar ...

zone.

History

This butte's name was adopted as Mount Sinyala in 1932 by the

U.S. Board on Geographic Names The United States Board on Geographic Names (BGN) is a federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geographic names throughout the federal governm ...

. In 1988, the board officially revised it to the present spelling, Sinyella. It was named by the American conservationist

Charles Sheldon Charles Monroe Sheldon (February 26, 1857 – February 24, 1946) was an American Congregationalist minister and a leader of the Social Gospel movement. His novel ''In His Steps'' introduced the principle "What would Jesus do?", which articu ...

for Judge Sinyella (1853–1923), a prominent Havasupai

chief Chief may refer to: Title or rank Military and law enforcement * Chief master sergeant, the ninth, and highest, enlisted rank in the U.S. Air Force and U.S. Space Force * Chief of police, the head of a police department * Chief of the boa ...

who Sheldon hired as a guide to show him the canyon in 1912. "It is interesting to go with him

inyala Inyala is an administrative ward in the Mbeya Rural district of the Mbeya Region of Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the Af ...

he knows every foot of the country" noted Sheldon. The local native inhabitants called it "Week-eel-eela" which is said to mean "stick sitting up", also their general term for any butte. The

first ascent In mountaineering, a first ascent (abbreviated to FA in guide books) is the first successful, documented attainment of the top of a mountain or the first to follow a particular climbing route. First mountain ascents are notable because they en ...

of the summit was made April 11, 1960, by Don Myers, Mike Sherrick, Jim Wilkerson, and Bill Amborn via the north face. The second ascent was made by Dave Ganci and Jerry Robertson, May 3, 1969.Grandcanyonhistory.org
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Gallery

File:02079 Grand Canyon Boysag Point (7945848676).jpg, Sinyella Mesa from Boysag Point, with Mt. Sinyella upper left. circa 1951 File:01883 Grand Canyon Havasu Canyon (7945902458).jpg, Southwest aspect, circa 1949 File:02093 Grand Canyon Boysag Point (7945847738).jpg, Mt. Sinyella centered, Sinyella Canyon to left File:02085 Grand Canyon Boysag Point (7945848440).jpg, from Boysag Point, circa 1951 File:Havasu Canyon.jpg File:Sinyella, Paguekwash Point.jpg, Mount Sinyella (left) and Paguekwash Point (right) from Kanab Point File:Mt. Sinyella AZ.jpg, Mt. Sinyella, east aspect

References

External links

* Weather forecast
National Weather Service
* Mt. Sinyella phot
from river level

Mount Sinyella pronunciation
{{DEFAULTSORT:Sinyella, Mount Grand Canyon Buttes of Arizona Landforms of Coconino County, Arizona Colorado Plateau Grand Canyon National Park North American 1000 m summits Sandstone formations of the United States Grand Canyon, South Rim Grand Canyon, South Rim (west)

History

Gallery

See also

References

External links