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An underground tunnel carved in stone by the Templar Crusaders to connect their fortress on the west side of Akko to the port on the east side. Discovered in 1994, it has been restored and you can walk through it. The location shown on the map here is the western entrance.
© OpenStreetMap contributors
The wall is picturesque and fun to walk along, especially the part bordering the sea. In 1750, Daher El-Omar, the ruler of Acre, utilized the remnants of the Crusader walls as a foundation for his walls. Two gates were set in the wall, the "land gate" in the eastern wall, and the "sea gate" in the southern wall. In 1912 the Acre lighthouse was built on the south-western corner of the walls.
No longer active, you can see the remains of a port here. The adjacent area was populated by Pisans during the Crusader area. The remains are not too exciting, but you'll see them as part of a walk along the city wall.
Old Akko has several large khans (an inn enclosing a courtyard, used by caravans for accommodation) which once served the camel caravans bringing in grain from the hinterland. The grandest is the Khan al-Umdan. Its name means 'Inn of the Pillars', and it was built by Al-Jazzar in 1785. The pillars that give the khan its name were looted from the Caesarea ruins. It is a two-story structure and the ground floor would have housed the animals, while their merchant owners would have slept upstairs.
A synagogue used by the Ramchal (Rabbi Moshe Chaim Luzzatto, a 1700s kabbalist)
An urban market, best known as place to buy fish. The market spreads along Marco Polo, Binyamin Metudela, and Fakhr-al-Din streets.
Interesting to walk around here for a few minutes, see the boats, and maybe take one.