Rocky Peak is a mountain summit in the

Olympic Mountains The Olympic Mountains are a mountain range on the Olympic Peninsula of the Pacific Northwest of the United States. The mountains, part of the Pacific Coast Ranges, are not especially high – Mount Olympus (Washington), Mount Olympus is the high ...

and is located in

Clallam County Clallam County is a List of counties in Washington, county in the U.S. state of Washington (state), Washington. As of the 2020 United States census, 2020 census, the population was 77,155, with an estimated population of 77,616 in 2023. The cou ...

Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...

state. It is situated eight miles south of

Port Angeles, Washington Port Angeles ( ) is a city and county seat of Clallam County, Washington, Clallam County, Washington (state), Washington, United States. The population was 19,960 at the 2020 United States census, 2020 census, it is the most populous city in t ...

, within

Olympic National Park Olympic National Park is a national park of the United States located in Washington, on the Olympic Peninsula. The park has four regions: the Pacific coastline, alpine areas, the west-side temperate rainforest, and the forests of the drier e ...

. The nearest higher neighbor is

Mount Angeles Mount Angeles is located just south of Port Angeles, Washington in the Olympic National Park. It is the highest peak in the Hurricane Ridge area. The summit, which offers panoramic views of the Strait of Juan de Fuca and many of the peaks of ...

, to the west. Klahhane Ridge connects these two peaks. Travelers on the scenic

Hurricane Ridge Hurricane Ridge is a mountainous area in Washington's Olympic National Park. Approximately by road from Port Angeles, the ridge is open to hiking, skiing, and snowboarding and is one of the two most visited sites in the national park (alon ...

Road traverse the lower south slope of Rocky Peak en route to the Hurricane Ridge visitor center. The mountain was named ''Rocky Peak'' by local people from the time of the earliest settlers in the area. Precipitation runoff from the north side of the peak drains into Rocky Creek, whereas the south slope drains into Morse Creek, thence into the

Strait of Juan de Fuca The Strait of Juan de Fuca (officially named Juan de Fuca Strait in Canada) is a body of water about long that is the Salish Sea's main outlet to the Pacific Ocean. The Canada–United States border, international boundary between Canada and the ...

Climate

Set in the north-central portion of the Olympic Mountains, Rocky Peak is located in the

marine west coast An oceanic climate, also known as a marine climate or maritime climate, is the temperate climate sub-type in Köppen classification represented as ''Cfb'', typical of west coasts in higher middle latitudes of continents, generally featuring co ...

climate zone of western North America.

Weather front A weather front is a boundary separating air masses for which several characteristics differ, such as air density, wind, temperature, and humidity. Disturbed and unstable weather due to these differences often arises along the boundary. For ins ...

s originating in the Pacific Ocean travel northeast toward the Olympic Mountains. As fronts approach, they are forced upward by the peaks (

orographic lift Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain. As the air mass gains altitude it quickly cools down adiabatically, which can raise the relative humidity to 100% and cr ...

), causing them to drop their moisture in the form of rain or snow. As a result, the Olympics experience high precipitation, especially during the winter months in the form of snowfall. Because of maritime influence, snow tends to be wet and heavy, resulting in

avalanche An avalanche is a rapid flow of snow down a Grade (slope), slope, such as a hill or mountain. Avalanches can be triggered spontaneously, by factors such as increased precipitation or snowpack weakening, or by external means such as humans, othe ...

danger. During winter months weather is usually cloudy, but due to high pressure systems over the Pacific Ocean that intensify during summer months, there is often little or no cloud cover during the summer.

Geology

The Olympic Mountains are composed of obducted

clastic Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock. A clast is a fragment of geological detritus,Essentials of Geology, 3rd Ed, Stephen Marshak, p. G-3 chunks, and smaller grains of rock broken off other rocks by ...

wedge material and oceanic crust, primarily

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...

turbidite A turbidite is the geologic Deposition (geology), deposit of a turbidity current, which is a type of amalgamation of fluidal and sediment gravity flow responsible for distributing vast amounts of clastic sediment into the deep ocean. Sequencing ...

, and

basalt Basalt (; ) is an aphanite, aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the planetary surface, surface of a terrestrial ...

ic oceanic crust. The mountains were sculpted during the

Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...

era by erosion and glaciers advancing and retreating multiple times.

References

External links

* Rocky Peak
weather forecast
* {{cite web , url=https://www.nps.gov/olym/index.htm , title=Olympic National Park , publisher=National Park Service Mountains of Washington (state) Olympic Mountains Mountains of Clallam County, Washington Landforms of Olympic National Park One-thousanders of the United States

Climate

Geology

See also

References

External links