sea level

JOHANNESBURG—In 1886, prospectors struck gold here on a stretch of farmland more than a mile above sea level.

The city of Big Bear Lake is at an elevation of 6,752 feet above sea level.

To put this in perspective, one gigapascal is roughly ten thousand times the pressure of Earth's atmosphere at sea level, or about ten times the pressure at the bottom of the Mariana Trench.

“The Incognito Lumleys, that’s you two, to a T. It’s a rare treat to find you at sea level, I must say.”

The highest point of the Grapevine section is the Tejon Pass, which peaks in elevation at 4,144 feet above sea level.