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The Western Wall Tunnel (, translit.: "Minharat Hakotel") is a tunnel exposing the Western Wall from where the traditional, open-air prayer site ends and up to the Wall's northern end. Most of the tunnel is in continuation of the open-air Western Wall and is located under buildings of the Muslim Quarter of the Old City of Jerusalem. While the open-air portion of the Western Wall is approximately long, the majority of its original length of is hidden underground. The tunnel allows access to the remainder of the Wall in a northerly direction.