The Mazas Prison (French: Prison Mazas) was a prison in Paris, France.
Designed by architects Émile Gilbert and Jean-François-Joseph Lecointe, it was inaugurated in 1850 and located near the Gare de Lyon, on the Diderot boulevard. [1] The building was destroyed in 1900.
48°50′47″N2°22′27″E / 48.8465°N 2.3742°E