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Mount Saint Helena
Mount Saint Helena, viewed from Napa Valley.JPG
Mount Saint Helena, viewed from Northern Napa Valley
Highest point
Elevation 4,342 ft (1,323 m) NAVD 88
Prominence 1,823 ft (556 m)
Listing California county high points 44th
Geography
Mount Saint Helena is located in California
Mount Saint Helena
Mount Saint Helena
Location in California
Parent range Mayacamas Mountains
Topo map USGS Mount Saint Helena

Mount Saint Helena is a tall mountain in the Mayacamas Mountains in California. It sits where three counties meet: Napa, Sonoma, and Lake. The mountain is made of very old volcanic rocks, about 2.4 million years old. It's one of the few mountains in the San Francisco Bay Area that gets snow in winter.

The mountain has five peaks, which look a bit like an "M" shape. The highest point is called North Peak and is in Sonoma County. The second-highest peak is in Napa County. The Napa River actually starts on the southeast side of Mount Saint Helena.

History of Mount Saint Helena

Mount Saint Helena has a fiery past. Long ago, it had powerful volcanic eruptions. These eruptions created California's famous Petrified Forest. This forest is made of ancient trees that turned into stone over millions of years.

The mountain was first called Mount Mayacamas. But in 1841, Russian explorers climbed to the top. They left a special copper plate there. This plate had the name of Princess Helena de Gagarin. Her husband was a leader at Fort Ross, a Russian settlement nearby. That's how the mountain got its new name, Mount Saint Helena.

A famous writer, Robert Louis Stevenson, spent time on Mount Saint Helena. In 1880, he and his wife, Fanny, stayed in an old mining camp. Stevenson wrote about his experiences there in his book, The Silverado Squatters. Other writers like Ambrose Bierce and Ursula K. Le Guin have also featured the mountain in their stories.

You can reach the top of Mount Saint Helena by hiking. Trails start from Robert Louis Stevenson State Park. The main trail is about 6 miles long.

Views from the Summit

Panorama from top of Mount Saint Helena.

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