Passage du Gois is a crazy road located in France. It connects the Gulf of Burnef and Island of Noirmoutier. Passage de Gois is a natural, periodically flooded passage. The interesting fact about this passage is it is flooded twice a day by the high tide.

Due to the rising tide, you can only drive along it twice a day for a few hours before it gets flooded. And the rest of the time, it is hidden 13 feet under the water. Special panels are arranged on both the sides of the road.

In 1701, this natural passage connecting the mainland to the island of Noirmoutier was first indicated on a map. In the 1840s, a regular service began to travel by car or horseback on it. Many people got trapped in the rapidly rising waters as the tide comes in. For those caught between the tides, elevated rescue towers are located all along the Passage du Gois.

People can climb these towers and wait until they are rescued or until the tide goes down. But they have to forget their vehicle. In 1999 Passage du Gois was used by Tour de France bicycle race and it was used again in 2011. The length of the road is around 4.125 km.

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