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Mayacamas Mountains

Mountain range in northwestern California, United States

Summary

Mountain range in northwestern California, United States

Field	Value
name	Mayacamas Mountains
etymology	Wappo language
photo	Mount Saint Helena (2007-10-08).JPG
photo_caption	Mount Saint Helena
country	United States
state	California
parent	California Coast Ranges
range_coordinates
highest_location	Cobb Mountain
elevation_ft	4724
coordinates
length_mi	52	length_orientation = northwest–southeast
width_mi		width_orientation =
map	California
map_relief	yes
map_size	220
map_caption	Location of Mayacmas Mountains in California

The Mayacamas Mountains are located in northwestern California in the United States. The mountain range is part of the Northern Inner Coast Ranges, of the California Coast Ranges System.

Geography

The Mayacamas Mountains are located south of the Mendocino Range, west of Clear Lake, and east of Ukiah in Mendocino and Lake Counties, and extend south into Napa and Sonoma Counties. The range stretches for 52 mi in a northwest–southeasterly direction.

Mountains in the range include:

Name	Height	Coordinates	Notes	ft
Cobb Mountain	4,720+	1,439+
Mount Saint Helena	4,342	1,323		Peakbagger places it in the Wine Country Ranges
Mount Konocti	4,299	1,310
Mount Hannah	3,978	1,212
Cow Mountain	3,920+	1,195+
Boggs Mountain	3,720+	1,134+
Seigler Mountain	3,680+	1,122+
Mahnke Peak	3,652	1,113
Cow Mountain Ridge	3,572	1,089
Pyramid Ridge	3,520+	1,073+
Peak 3480	3,480+	1,061+
Mount Hood	2,733	833		More commonly known as Hood Mountain
Bald Mountain	2,730	832	38.2727°N 122.3034°W
Harbin Mountain	2,585	788		Sub-peak of Boggs Mountain

The range's highest point is Cobb Mountain, at 4724 ft in elevation, located in the central section. There are several other peaks over 2500 ft, including Mount Saint Helena and Hood Mountain. These peaks are sufficiently high to retain some snow cover in winter.

Several streams rise in the Mayacamas Mountains including Mark West Creek, Sonoma Creek, Calabazas Creek, Arroyo Seco Creek, Putah Creek, and Santa Rosa Creek.

;Natural history

Around ten million years ago, during pre-historic times (Miocene), the mountains are thought to have been densely forested in Mendocino Cypress (Cupressus pygmaea).

The Mayacamas Mountains currently support California mixed evergreen forest and California interior chaparral and woodlands habitats.

Naming

According to Gudde:

Mayacamas Mountains [Sonoma, Lake Cos.] The mountain chain, forming the divide of the headwaters of [Russian River (California)
Russian River]] and [[Clear Lake (California)

The present spelling is used in the [Statutes of 1850 (pp. 60 f.). Although this version was also used by the Whitney Survey, confusion persists to the present day. The Geographic Board (Fifth Report) decided for Miyakma, but in 1941 it reversed this decision in favor of Mayacmas ('not Miyakma, Cobb Mountain Range, Malacomas, Mayacamas, nor St. Helena Range'). The stream is still called Maacama Creek.

The spelling Mayacamas is listed as an alternate name by the Board of Geographic Names.

Geothermal power

Located in the Mayacamas mountain range is The Geysers, the world's largest and most developed geothermal field. It consists of more than 22 power plants scattered across an area of about 30 square miles (78 km2). The Geysers spans the Lake, Sonoma, and Mendocino counties in California, and provides energy to those counties. The electrical energy is generated when dry steam is pumped from geothermal reservoirs through turbines.

References

{{cite gnis
{{gnis. 234255. Mayacmas Mountains
"Mayacmas Mountains". Peakbagger.
{{gnis. 1658294. Cobb Mountain

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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