This historic street features a former biochemical lab and is linked to local legends, making it a unique spot for tourists interested in history and culture.

It is the 6th point of this route. During the war this street was called General Mola street but now is Llibertat Street. On this street there was a biochemical laboratory that sent vaccines across Europe, the physician and bacteriologist Jaume Ferran Clua (bacteriologist who applied rabies shots) created this laboratory for his daughter who lived in Ametlla de Mar as she married a Calero, and as such the street was named in his honor, Doctor Ferran street. Within the history of Ametlla are various legends associated with the assaults on Coll de Balaguer and vaious names for the local people which begin from of the founding of the town.