Twin Sisters (California) facts for kids
Quick facts for kids Twin Sisters |
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Twin Sisters as seen from Suisun Valley
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| Highest point | |
| Elevation | 2,259 ft (689 m) NGVD 29 |
| Geography | |
 Twin Sisters
Location in California
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| Location | Napa / Solano counties, California, U.S. |
| Topo map | USGS Mount George |
The Twin Sisters are two mountain peaks in California. They are the highest point in the Howell Mountains, located between Solano and Napa counties. These peaks are a well-known sight in the area.
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About the Twin Sisters Peaks
The Twin Sisters peaks sit on a ridge. This ridge separates the Suisun Valley wine region on the east from the Napa Valley wine region on the west. You can easily see them from many places in Suisun Valley.
How Tall are the Twin Sisters?
The northern peak is the taller of the two. It reaches an elevation of about 2,259 feet (689 meters). The southern peak is a bit lower, rising to about 2,177 feet (664 meters). Twin Sisters is the second highest peak in Solano County. Mount Vaca is the highest mountain there.
Why are They Called Twin Sisters?
No one knows for sure how the Twin Sisters got their name. However, the name was already well-known a long time ago. A book written in 1879, called History of Solano County, mentioned them by this name.
A Plane Crash Site on the Mountain
The lower, southern peak of Twin Sisters was the site of a plane crash. This happened on October 24, 1941, before World War II began. An Army Air Corps B-18A Bolo bomber plane crashed there. All five crew members on board died in the accident. The plane was on a short flight from Hamilton Field to McClellan Field.
The House on the Peak
The southern peak is also the highest privately owned mountain top in the San Francisco Bay Area. In 2003, a house was built very close to the crash site. This house was called the "house above the morning clouds." Its construction caused some debate. People living nearby wanted rules to stop future building on mountain ridges. The house later burned down on October 10, 2017. This happened during the Atlas Fire, a large wildfire in northern California. Today, small pieces of the old B-18A bomber plane can still be found about 100 feet from where the house once stood.
