The building of the synagogue in the city of Tomar is considered one of the most well-preserved in Portugal similar buildings built in the Middle Ages. The synagogue is located in the historic center of the city. It is worth noting that there is a small synagogue in the Jewish Museum, which attracts many tourists.

Tomar Synagogue was built in the middle of the XV century, the Jewish community of the city. If you look at the building from the outside, the synagogue did not stand out among the other houses on the street. Modern main entrance to the synagogue was built later and goes to the northern part of the street. In the Middle Ages the main entrance has been designed as a lancet Gothic arches and went to the eastern part of the street in the direction of Jerusalem.

Through the entrance, visitors enter into a square hall. Three sides of the nave are separated by four columns that support the vaulted ceiling in the Gothic style. Capitals of the columns are decorated with geometric and floral ornaments. During excavations for the building of the synagogue were discovered the remains of a mikvah, a ritual pool prescribed by Jewish law.

In 1496, when the persecution of the Jews had been living in Portugal, in the synagogue there was a prison. Later, there was a church, and then there was a warehouse. In the 30 years of the twentieth century old synagogue building was bought by a Polish scientist Samuel Schwartz. He restored the building and donated it to the Portuguese Government on the condition that it will open a museum. In 1939, the synagogue was opened Jewish Museum Abraham Zacuto, who was a famous astronomer in the Middle Ages. Among the exhibits - medieval tombstones. One of the most famous exhibits is considered a stone slab, which dates back to the year 1308 and brought from Lisbon's synagogue.