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Foss Peak facts for kids

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Foss Peak
Foss Peak from road.jpg
Foss Peak from northeast
Highest point
Elevation 6,524 ft (1,989 m)
Prominence 404 ft (123 m)
Geography
Foss Peak is located in Washington (state)
Foss Peak
Foss Peak
Location in Washington (state)
Foss Peak is located in the United States
Foss Peak
Foss Peak
Location in the United States
Location Mount Rainier National Park, Washington, U.S.
Parent range Cascades
Topo map USGS Mount Rainier East
Climbing
Easiest route Scrambling

Foss Peak is a mountain that stands 6,524 feet (about 1,988 meters) tall. It's part of the Tatoosh Range, which is a smaller mountain group within the larger Cascade Range. You can find Foss Peak south of the famous Mount Rainier, inside Mount Rainier National Park in Lewis County, Washington state.

The mountain gets its name from Thea Foss (1857-1927). She was a brave woman who, with her husband, started the Foss Maritime Company in 1889. This company became very important for shipping. Foss Peak also has another fun name: Manatee Mountain. The closest taller mountain is West Unicorn Peak, which is about 0.79 miles (1.27 kilometers) to the southeast. Water from rain and melting snow on Foss Peak flows into rivers that eventually join the Cowlitz River.

Mountain Weather: Climate at Foss Peak

Foss Peak is located in a place with a "marine west coast" climate. This means it gets a lot of weather from the Pacific Ocean. Most of the weather systems, like big clouds and storms, start over the Pacific and move northeast towards the Cascade Mountains.

Foss Peak aka Manatee Mountain
Foss Peak (also known as Manatee Mountain)

When these weather systems hit the tall Cascade Mountains, they are forced to rise. As the air goes higher, it cools down, and the moisture in it turns into rain or snowfall. This is why the western side of the Cascade Mountains, including Foss Peak, gets a lot of precipitation, especially snow in the winter.

During winter, the weather is often cloudy. But in the summer, high-pressure systems over the Pacific Ocean usually bring clear skies and lots of sunshine. Because of the ocean's influence, the snow here tends to be wet and heavy. This can sometimes lead to a higher risk of avalanches, which are large slides of snow down a mountain.

Unicorn Peak 8421s
Foss Peak (right) with Unicorn Peak (left)

Exploring Mount Rainier National Park

Foss Peak is located within Mount Rainier National Park. This park is a great place to visit and explore nature. You can find more information about the park on the official National Park Service website: Mount Rainier National Park.

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