Monrovia Peak is a mountain summit located in the
San Gabriel Mountains
The San Gabriel Mountains () are a mountain range located in Los Angeles and San Bernardino counties, California, United States. The mountain range is part of the Transverse Ranges and lies between the Los Angeles Basin and the Mojave Desert ...
, in
Los Angeles County
Los Angeles County, officially the County of Los Angeles and sometimes abbreviated as LA County, is the most populous county in the United States, with 9,663,345 residents estimated in 2023. Its population is greater than that of 40 individua ...
,
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
Monrovia Peak is set within
San Gabriel Mountains National Monument
The San Gabriel Mountains National Monument is a United States national monument managed by the U.S. Forest Service, which encompasses parts of the Angeles National Forest and the San Bernardino National Forest in California. On October 10, 201 ...
, approximately northeast of the community of
Monrovia
Monrovia () is the administrative capital city, capital and largest city of Liberia. Founded in 1822, it is located on Cape Mesurado on the Atlantic Ocean, Atlantic coast and as of the 2022 census had 1,761,032 residents, home to 33.5% of Liber ...
and northeast of downtown
Los Angeles
Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
. The May 2, 2024, expansion of the San Gabriel Mountains National Monument by President Biden brought Monrovia Peak within the boundary of the monument.
[ ]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 over above Cold Springs Canyon in approximately one mile. Reaching the summit involves 12 miles of hiking with 5,300 feet of elevation gain.[ This mountain's toponym has been officially adopted by the U.S. Board on Geographic Names,]eponym
An eponym is a noun after which or for which someone or something is, or is believed to be, named. Adjectives derived from the word ''eponym'' include ''eponymous'' and ''eponymic''.
Eponyms are commonly used for time periods, places, innovati ...
.[''15A Monrovia Peak'']
Hundred Peaks Section, Sierra Club, Retrieved 2024-05-24.
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, Monrovia Peak is located in a continental climate
Continental climates often have a significant annual variation in temperature (warm to hot summers and cold winters). They tend to occur in central and eastern parts of the three northern-tier continents (North America, Europe, and Asia), typi ...
zone (Dsa) with mostly dry summers (except for scattered summer thunderstorms) and cold, wet winters.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 onto the range. Precipitation runoff from this mountain drains into the San Gabriel River watershed.
See also
*
Gallery
File:Monrovia Peak from Mount Wilson.jpg, West aspect viewed from Mount Wilson
File:Santa Anita - Monrovia Peak.jpg, Southwest aspect of Monrovia Peak viewed from Santa Anita.
References
External links
* Monrovia Peak
Sierra Club
* Weather
Monrovia Peak
{{Geographic Location 2
, Center = Monrovia Peak
, North = West Fork San Gabriel River
The West Fork is one of two major streams, the other being the East Fork, that combine to form the San Gabriel River in Los Angeles County, California. The West Fork flows for in an easterly direction from its origins at Red Box Gap, in the Sa ...
, Northeast = West Fork
, East = San Gabriel Dam
, Southeast = Azusa
AZUSA refers to a ground-based radar tracking system installed at Cape Canaveral, Florida and the NASA Kennedy Space Center. AZUSA was named after the southern California town Azusa, California where the system was devised in the early 1950s.
...
, South = Duarte
, Southwest = Monrovia
Monrovia () is the administrative capital city, capital and largest city of Liberia. Founded in 1822, it is located on Cape Mesurado on the Atlantic Ocean, Atlantic coast and as of the 2022 census had 1,761,032 residents, home to 33.5% of Liber ...
, West = Mount Wilson
, Northwest = West Fork
Mountains of Los Angeles County, California
One-thousanders of the United States
Angeles National Forest
San Gabriel Mountains
Mountains of Southern California
San Gabriel Mountains National Monument