Mayacmas Mountains

Range TypeMountain range with well-recognized name
Highest PointCobb Mountain (4720+ ft/1439+ m)
CountriesUnited States
Area822 sq mi / 2,129 sq km
Area may include lowland areas
Extent47 mi / 76 km North-South
38 mi / 61 km East-West
Center Lat/Long38° 57' N; 122° 51' W
Map LinkMicrosoft Bing Map

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Map of Mayacmas Mountains
Click on red triangle icons for links to other ranges.

Note: Range borders shown on map are an approximation and are not authoritative.
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Other Ranges: To go to pages for other ranges either click on the map above, or on range names in the hierarchy snapshot below, which show the parent, siblings, and children of the Mayacmas Mountains.
Northern California Coast RangeLevel 4 (Parent)
         North Humboldt Coast RangeLevel 5 (Sibling)
         Humboldt-Mendocino CoastLevel 5 (Sibling)
         Sonoma-Marin CoastLevel 5 (Sibling)
         Trinity-Hayfork AreaLevel 5 (Sibling)
         Yolla Bolly AreaLevel 5 (Sibling)
         Central Northern California Coast RangeLevel 5 (Sibling)
         Mayacmas MountainsLevel 5
         Wine Country RangesLevel 5 (Sibling)

Major Peaks of the Mayacmas Mountains

Ten Highest Peaks
RankPeak NameftmRange6
1.Cobb Mountain4720+1439+ 
2.Mount Konocti42991310 
3.Mount Hannah39781212 
4.Cow Mountain3920+1195+ 
5.Boggs Mountain3720+1134+ 
6.Seigler Mountain3680+1122+ 
7.Mahnke Peak36521113 
8.Cow Mountain Ridge35721089 
9.Pyramid Ridge3520+1073+ 
10.Peak 34803480+1061+ 
Sub-peaks are excluded from this list. List may not be complete, since only summits in the PBC Database are included.

Photos of Peaks in the Mayacmas Mountains

Cobb Mountain-Southwest Peak

The highest point in Sonoma County is this low, partly logged hill of low trees, seen here while descending from the main summit of Cobb Mountain (2001-12-11).
Mount Konocti
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View East on Clear Lake from the summit (2017-01-28). Photo by Kir Pridatko.
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Mount Konocti-South Peak
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I found a metal tube near the summit. Does this mean something. Somehow it was not mentioned by any bagger. I assume most baggers reached the pile at the end of McLaughlin's GPX. The rock pile I reached can be seen on Satellite, perfectly circled (2019-02-02). Photo by Powen Ru.
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Boggs Mountain
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Looking west to Boggs Mountain from Peak 1600. (2018-12-08). Photo by Brett Moffatt.
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