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Glaciers sliding across the land caused the valleys and sheer cliffs of the Yosemite. The water that makes up the falls comes from either heavy rains or the melting of high altitude snow. Typically, the falls are gone or reduced to a trickle by summer's end when all the snow is melted and the area is sparse on rainfall.

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What famous valley in a national park was formed by a glacier?

Essentially every feature in Glacier National Park was formed by a period of glaciation during the Pleistocene Ice Age, including all the mountains and all the valleys. A look at a map of the park will show several large, long lakes whose beds were scoured out by these glaciers. Some famous and oft-photographed valleys in the park that are easily accessible by car (and on the internet via webcam at www.nps.gov/glac ) are the Lake McDonald Valley, the St. Mary Valley, and the Many Glacier Valley.


What is the shape of a valley that is eroded by a stream and a glacier?

A stream shaped valley is usually 'V' shaped. A glacier formed valley is usually 'U' shaped.


What is the name of the glacier that has frozen to bedrock?

The name of a glacier that has frozen to bedrock is rock glacier. A rock glacier is formed by angular blocks of frozen rock that form in the valley of glaciers.


What is streams formed by melting ice when a valley glacier stops advancing called?

Meltwater streams formed by melting ice when a valley glacier stops advancing are called proglacial streams. These streams are commonly found at the terminus of a glacier where melting ice produces large volumes of water that flow down the valley.


How did glaciers affect the creation of the valley yosemite?

Glaciers played a significant role in creating the Yosemite Valley by carving and sculpting the landscape over millions of years. The movement of glaciers eroded the surrounding rocks and mountains, creating the distinctive U-shaped valley and steep granite cliffs that define the area today. Glacier activity also contributed to the formation of iconic features like Half Dome and El Capitan.