Gravity Hill, Altadena, California
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Vortex Type: Magnetic, Gravity
A gravity hill, also known as a magnetic hill, mystery hill, electric brae, or gravity road, is a place where a car left out of gear will appear to be rolling uphill against gravity. There are hundreds of recognized gravity hills around the world.
WARNING. Obey all traffic signs and rules. Watch for blind spots. Never test a gravity or magnetic hill alone. Always bring someone to watch for other traffic.
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