Sierra Buttes is an mountain

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 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 Sierra County,

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. It is the third-highest point in Sierra County following the north ridge of Mount Lola and Peak 8740. Sierra Buttes are set on land managed by Tahoe National Forest and are within the

North Yuba River The North Yuba River (also called the North Fork Yuba River) is the main tributary of the Yuba River in northern California in the United States. The river is about longU.S. Geological Survey. National Hydrography Dataset high-resolution flowli ...

watershed. The summit is situated north of Sierra City, and approximately northeast of

Sacramento Sacramento ( or ; ; ) is the capital city of the U.S. state of California and the seat of Sacramento County. Located at the confluence of the Sacramento and American Rivers in Northern California's Sacramento Valley, Sacramento's 2020 p ...

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 southwest aspect rises nearly above the Yuba–Donner Scenic Byway in approximately two miles. The prominent fortress-like landform is visible from as far as the

Sacramento Valley The Sacramento Valley is the area of the Central Valley of the U.S. state of California that lies north of the Sacramento–San Joaquin River Delta and is drained by the Sacramento River. It encompasses all or parts of ten Northern California ...

, and inclusion on the

Sierra Peaks Section The Sierra Peaks Section (SPS) is a mountaineering society within the Angeles Chapter of the Sierra Club that serves to provide mountaineering activities for Sierra Club members in the Sierra Nevada (U.S.), Sierra Nevada, and to honor mountaineers ...

peakbagging list generates climbing interest. This landform's

toponym Toponymy, toponymics, or toponomastics is the study of ''wikt:toponym, toponyms'' (proper names of places, also known as place names and geographic names), including their origins, meanings, usage, and types. ''Toponym'' is the general term for ...

has been officially adopted by the U.S. Board on Geographic Names, and has been in use since at least 1896 when published by the Sierra Club.

Lookout

fire lookout tower A fire lookout tower, fire tower, or lookout tower is a tower that provides housing and protection for a person known as a " fire lookout", whose duty it is to search for wildfires in the wilderness. It is a small building, usually on the summit ...

that was originally built in 1915 tops the highest point on Sierra Buttes. In 1964, employees of the National Forest Service erected metal stairs with railings for the public to safely access the views from the lookout. The hike to the lookout is one of the most popular destinations in the northern Sierra region. The Sierra Buttes trail is 2.3 miles long, gains 1,587 feet of elevation, and one mile of it is shared with the

Pacific Crest Trail The Pacific Crest Trail (PCT), officially designated as the Pacific Crest National Scenic Trail, is a long-distance hiking and equestrian trail closely aligned with the highest portion of the Cascade and Sierra Nevada mountain ranges, which lie ...

. In good weather,

Lassen Peak Lassen Peak ( ), commonly referred to as Mount Lassen, is a lava dome volcano in Lassen Volcanic National Park in Northern California. Located in the Shasta Cascade region above the northern Sacramento Valley, it is the southernmost active vo ...

can be seen from the lookout, 65 miles to the northwest, as well as

Mount Shasta Mount Shasta ( ; Shasta people, Shasta: ''Waka-nunee-Tuki-wuki''; Karuk language, Karuk: ''Úytaahkoo'') is a Volcano#Volcanic activity, potentially active stratovolcano at the southern end of the Cascade Range in Siskiyou County, California. A ...

150 miles distant.

Sierra Valley Sierra Valley is a large mountain valley located east of the crest of California's Sierra Nevada mountain range in Plumas and Sierra Counties, north of Interstate 80. Geography An intermontane valley at approximately elevation, Sierra Va ...

can be seen to the east.

Climate

According to the

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

system, Sierra Buttes 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 onto the range.

Geology

The Sierra Buttes are composed of

metavolcanic rock Metavolcanic rock is volcanic rock that shows signs of having experienced metamorphism. In other words, the rock was originally produced by a volcano, either as lava or tephra. The rock was then subjected to high pressure, high temperature or both ...

, predominantly andesitic hydroclastic

breccia Breccia ( , ; ) is a rock composed of large angular broken fragments of minerals or Rock (geology), rocks cementation (geology), cemented together by a fine-grained matrix (geology), matrix. The word has its origins in the Italian language ...

and

peperite A peperite is a type of volcaniclastic rock consisting of sedimentary rock that contains fragments of younger igneous material and is formed when magma comes into contact with wet sediments. The term was originally used to describe rocks from th ...

which intruded the Sierra Buttes Formation. The rock is part of the Northern Sierra Terrane and was formed in an undersea volcanic process along an

island arc Island arcs are long archipelago, chains of active volcanoes with intense earthquake, seismic activity found along convergent boundary, convergent plate tectonics, tectonic plate boundaries. Most island arcs originate on oceanic crust and have re ...

during the late

Devonian The Devonian ( ) is a period (geology), geologic period and system (stratigraphy), system of the Paleozoic era (geology), era during the Phanerozoic eon (geology), eon, spanning 60.3 million years from the end of the preceding Silurian per ...

period.

Gold nugget A gold nugget is a naturally occurring piece of Native metal, native gold. Watercourses often concentrate nuggets and finer gold in placer deposit, placers. Nuggets are recovered by placer mining, but they are also found in residual deposits wher ...

s were discovered at mines surrounding the Sierra Buttes during the

California Gold Rush The California gold rush (1848–1855) began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California. The news of gold brought approximately 300,000 people to California from the rest of the U ...

, the largest of which weighed 106 pounds was uncovered in 1869.Monumental Nugget, Sierra County Historical Society
/ref>

Gallery

File:Hike to the top of the Sierra Buttes.jpg, Sierra Buttes' fire lookout and metal stairs File:Sardine Lake Dawn.jpg, Sierra Buttes reflected in Sardine Lake at sunrise File:Sierra Buttes, late November.jpg, Sierra Buttes in late November File:SierraButtes.jpg, South aspect from Sierra City File:Upper Sardine Lake and the Sierra Buttes, California.jpg, Upper Sardine Lake and Sierra Buttes File:Sierra Buttes, north.jpg, North aspect of Sierra Buttes seen from Gold Lake Highway File:Tahoe Forest Lake.jpg File:Sierra Buttes, early winter.jpg File:Stairs to the top of Sierra Buttes.jpg, Looking down the stairs of Sierra Buttes File:SButtes.jpg, North aspect from afar

References

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External links