According to The Huffington Post, she believed it was a bridge across the Morava river in the Czech Republic.
The woman was stuck on the pylon for two hours.
With the aid of the police, a drug councillor and a cherry picker, they managed to bring her safely back down to earth.
Police spokesperson Jan Macalikova, who was present at the rescue, said: "It was a nightmare because she was very much under the influence of drugs and wasn't making much sense."
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Watch a video of the woman below: