Observation Peak is a

summit A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topographic terms acme, apex, peak (mountain peak), and zenith are synonymous. The term (mountain top) is generally used only for ...

located in

Fresno County Fresno County (), officially the County of Fresno, is a county located in the central portion of the U.S. state of California. As of the 2020 United States census, the population was 1,008,654. The county seat is Fresno, the fifth-most populo ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

, United States.

Description

The mountain is set five miles west of the crest of the

Sierra Nevada The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...

mountain range, in the Palisades area of

Kings Canyon National Park Kings Canyon National Park is a national park of the United States in the southern Sierra Nevada, in Fresno and Tulare Counties, California. Originally established in 1890 as General Grant National Park, the park was greatly expanded and ren ...

. It is situated southwest of Middle Palisade, and one mile south-southeast of Mount Shakspere. Observation Peak ranks as the 323rd-highest summit in California, and

topographic relief Terrain (), alternatively relief or topographical relief, is the dimension and shape of a given surface of land. In physical geography, terrain is the lay of the land. This is usually expressed in terms of the elevation, slope, and orientati ...

is significant as the summit rises above Cataract Creek in approximately one mile. Precipitation runoff from this mountain drains into tributaries of the Middle Fork Kings River.

History

The

first ascent In mountaineering and climbing, a first ascent (abbreviated to FA in climbing guidebook, guide books), is the first successful documented climb to the top of a mountain or the top of a particular climbing route. Early 20th-century mountaineers a ...

of the summit was made July 25, 1902, by Joseph Nisbet LeConte and Curtis W. Lindley via Dumbbell Lakes. LeConte so named the peak because he used the summit as a triangulation base for mapping the area. This mountain's toponym has been officially adopted by the

United States Board on Geographic Names The United States Board on Geographic Names (BGN) is a Federal government of the United States, federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geogr ...

Climate

Observation Peak is located in an

alpine climate Alpine climate is the typical climate for elevations above the tree line, where trees fail to grow due to cold. This climate is also referred to as a mountain climate or highland climate. Definition There are multiple definitions of alpine cli ...

zone. Most

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 originate in the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

, and travel east toward the Sierra Nevada 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

snowfall Snow consists of individual ice crystals that grow while suspended in the atmosphere—usually within clouds—and then fall, accumulating on the ground where they undergo further changes. It consists of frozen crystalline water througho ...

onto the range.

Gallery

File:Observation Peak, California.jpg, Northeast aspect (centered) from Middle Palisade File:Looking up at Cataract Creek Pass (28540491247).jpg, South aspect of Observation Peak (centered) File:Lower Dumbbell Lake outlet (42505888345).jpg, South aspect of Observation Peak (left) File:Lower Dumbbell Lake from the pass (28540271247).jpg, South aspect of Observation Peak (right) File:Lower Dumbbell Lake (43361894672).jpg, South aspect of Observation Peak (right) with Lower Dumbbell Lake File:Observation Peak, Cataract Creek.jpg, North aspect of Observation Peak seen from Cataract Creek

References

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External links