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Yosemite Valley

Yosemite Valley is a world-famous scenic location in the Sierra Nevada of California. It is the centerpiece of Yosemite National Park.

More than 100 million visitors have come seeking what John Muir wrote about:

Yosemite Park is a place of rest, a refuge from the roar and dust and weary, nervous, wasting work of the lowlands, in which one gains the advantages of both solitude and society. Nowhere will you find more company of a soothing peace-be- still kind. Your animal fellow-beings, so seldom regarded in civilization, and every rock-brow and mountain, stream, and lake, and every plant soon come to be regarded as brothers; even one learns to like the storms and clouds and tireless winds. This one noble park is big enough and rich enough for a whole life of study and aesthetic enjoyment. It is good for everybody, no matter how benumbed with care, encrusted with a mail of business habits like a tree with bark. None can escape its charms. Its natural beauty cleans and warms like a fire, and you will be willing to stay forever in one place like a tree.

Table of contents

Description


Yosemite Valley Map

Yosemite Valley is located in the central part of the Sierra Nevada, on the western slope. It stretches for only 7 miles (11 km) in a roughly east-west direction, and is about 1 mile (1.5 km) wide. More than a half dozen creeks tumble from hanging valleys at the top of granite cliffs that can rise 3000 to 4000 feet (900-1200 m)above the valley floor, which is at 4000 ft (1200 m) above sea level. These streams combine into the Merced River[?], which flows out from the western edge of the valley, down the rest of its canyon to the San Joaquin Valley[?]. The flat floor of the valley holds both forest and large open meadows, which provide breathtaking views of the surrounding crests and waterfalls.

Below is a short verbal tour of these features, looking first at the walls above moving east to west as a visitor does when entering the valley, then visiting the waterfalls and other water features, returning west to east with the flow of water.


Tunnel View

Granite Walls

The first open view from the lower (eastern) end of the Valley is great granite monolith El Capitan[?] on the left and Cathedral Rocks on the left with Bridalveil Fall. Just past this spot the valley suddenly widens with the Cathedral Spires then the pointed obelisk of Sentinel Rock. Across the Valley on the northern side are the Three Brothers, rising one above the other like gables built on the same angle -- the highest crest is Eagle Peak, with the two below known as the Middle and Lower Brothers.

To this point, the Valley has been curving gently to the left, to the north. Now a grand curve back to the right begins, with Yosemite Falls on the north, followed by the Royal Arches, topped by North Dome. Opposite to the South is Glacier Point[?], 3,200 feet above the Valley floor. At this point the Valley splits into two, one section slanting northeast, with the other curving from south to southeast. Between them both, at the western end of the valley, is Half Dome, the most famous and most recognizable crest in the Sierra Nevada. Above and to the northeast of Half Dome is Cloud's Rest; at 9926 feet, the highest point around Yosemite Valley.

Water

Snow melting in the Sierra forms creeks and lakes. In the surrounding region, these creeks flow to the edge of the Valley to form cataracts and waterfalls.

A fan of creeks and forks of the Merced River take drainage from the Sierra crest and combine at Merced Lake. The Merced then flows down to the end of its canyon (Little Yosemite Valley[?]), where it begins what is often called the Giant Staircase. The first drop is Nevada Fall, which drops 594 feet, bouncing off the granite slope below it. Below is Vernal Fall, 317 feet high, one of the most picturesque waterfalls in the Valley. The Merced then decends down rapids to meet Illouette Creek, which dropped from the valley rim to form Illouette Falls. They combine at the base of the gorges that contain each stream, and then flow around the Happy Isles to meet Tenaya Creek at the eastern end of Yosemite Valley proper.

Tenaya Creek flows southwest from Tenaya Lake and down Tenaya Canyon, finally flowing between Half Dome and North Dome before joining the Merced River. The at various points these following falls tumble from the Valley rim to join it:

Natural Yosemite Valley

Geology

USGS - The Geologic Story of Yosemite Valley - http://den2-s11.den.nps.gov/grd/usgsnps/yos/topobk

Biology

The biological community on the floor of Yosemite Valley is a diverse one, with more than 400 species of grasses and wildflowers and thousands of species of insects having been identified there. At the most general level, the Valley can be classified as a ponderosa pine[?] forest with a number of large open meadows. Plant and animal species that make up a significant part of this natural community include:

History

One animal found throughout the valley is Homo sapiens - man. The recent history of the Valley is the history of human visitors, first Native Americans, then European settlers, then visitors from arouund the world.

Native Americans in Yosemite

Native Americans have lived in the Yosemite region for as long as 8,000 years. The first people that we have record of was a band of Miwok[?] that called the Valley "Ah-wah-nee" and themselves the "Ah-wah-nee-chee". This group had trading and family ties to Mono Paiutes[?] from the eastern side of the Sierra Nevada. They annually burned the vegetation on the Valley floor, which promoted the black oak and kept the meadows and forests open. This protected the supply of their principal food, acorns, and reduced the chance of ambush. At the time of first European contact, this band was led by Chief Teneiya, who was raised by his mother among the Mono Paiutes.

The Mariposa Battalion and the First Tourists

The first non-natives to see Yosemite Valley were probably members of the 1833 Joseph Walker Party, which was the first to cross the Sierra Nevada from east to west. But the first descriptions of Yosemite came nearly 20 years later. The 1849 California gold rush led to conflicts between miners and natives, and the vollunteer Mariposa Battalion was formed by the state of California as a punitive expedition against natives in the Yosemite area. In 1851 the Battalion was led by Major James D. Savage, whose trading post on the Merced River had been raided by the Awaneechee. This and other missions resulted in Chief Teneiya and the Awaneechee spending some months on a reservation in the San Joaquin Valley. The band returned the next year to the Valley, but took refuge among the Mono Paiutes after further conflicts with miners. Most of the Awaneechee (along with Teneiya) were chased back to the Valley and killed by the Paiutes after violating hospitality by stealing horses.

While the members of that first expedition of the Mariposa Battalion had heard rumours of what could be found up the Merced River, none was prepared for what they saw March 27, 1851 from what is now called Old Inspiration Point (close to the better visited Tunnel View). Dr. Lafayette Bunnell later wrote:

The grandeur of the scene was but softened by the haze that hung over the valley -- light as gossamer -- and by the clouds which partially dimmed the higher cliffs and mountains. This obscurity of vision but increased the awe which which I beheld it, and as I looked, a peculiar exalted sensation seemed to fill my whole being, and I found my eyes in tears with emotion.

Camping that night on the Valley floor, the group agreed with the suggestion of Dr. Bunnell to call it "Yo-sem-i-ty", mistakenly believing it to be the native name. (Bunnell was also the first of many to underestimate the height of the Valley walls; one San Francisco newspaper demanded of him that his estimate of 1500 feet for the valley rim -- less than half the true height -- be cut in half before publication).

James Hutchings (who organized the first tourist party to the Valley in 1855) along with artist Thomas Ayers, is responsible for much of the earliest publicity about in Yosemite, creating articles and entire magazined issues about the Valley. Two of Hutching's first group of tourists, Milton and Houston Mann, built the first toll route into the valley, with development of the first hotels in the area and other trails quickly following. Orchards were planted and livestock grazed in Valley meadows, with damage to native ecosystems as the result.

Yosemite: The First Park

Influential figures such as clergyman Thomas Starr King and leading landscape architect Frederick Law Olmstead were among those who urged Senator John Conness of California to try to preserve Yosemite. President Abraham Lincoln signed a bill on June 30, 1864 granting Yosemite Valley and the Mariposa Grove[?] of Giant Sequoias to the State of California "for public use, resort and recreation," the two tracts "shall be inalienable for all time". This was the first time in history that a federal government had set aside scenic lands simply to protect them and to allow for their enjoyment by all people.

There is a difference between designating an area a park and making it work. California did not set up an administration for the park until 1866 which appointed Galen Clark[?] as the parks guardian. An 11 year struggle followed to resolve homesteading claims in the valley. The challenge of increasing tourism, with the need to first build stagecoach roads, then the Yosemite Valley Railroad[?], along with hotels and other facilities in and around the Valley was met during the rest of the 19th century. But much environmental damage was caused to the valley itself at that time. The problems that Yosemite Park had under state control was one of the factors in establishing Yellowstone National Park as the first completely national park in 1872.

While the Valley was now a park, the surrounding territory was still subject to logging, mining and grazing. John Muir publicized the damage to the subalpine meadows surrounding the Valley, and in 1890, a national park was created which included a much larger territory, enclosing Yosemite Valley and Mariposa Grove. As with Yellowstone, the new federal park was put under U.S. Army jurisdiction until 1914. In 1906 the Valley and Mariposa Grove was ceded back to the federal government. The U.S. National Park Service[?] took over Yosemite upon its creation in 1916

History of Yosemite Valley past 1916 can be found at Yosemite National Park



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