São Miguel Aqueduct, Colonial aqueduct in São Miguel da Terra Firme, Brazil

The São Miguel Aqueduct is a stone water transport structure with four remaining arches that span across the BR-101 highway in Biguaçu, Santa Catarina. The preserved sections are built from carefully worked stone and sit near a waterfall from which the construction once carried water to the nearby village.

Built in the 19th century by enslaved people, the aqueduct carried water from the São Miguel waterfall reservoir to the beach, supplying the village of São Miguel da Terra Firme and the boats anchored there. In the 1960s the BR-101 highway cut across its path, and the middle and final sections were demolished, leaving four arches near the waterfall. The architectural complex was listed as national heritage on 14 November 1969.

The aqueduct belongs to the São Miguel Village architectural complex, listed as national heritage in 1969 alongside the São Miguel Arcanjo Church and the Casa dos Açores ethnographic museum. The village name honours the Archangel Michael, and the ensemble recalls the Azorean settlers of São Miguel da Terra Firme.

The structure is located right next to the BR-101 highway near the waterfall, making it easy to access but also meaning visitors should be aware of traffic. The best time to visit is in the early morning or late afternoon when sunlight better illuminates the stone structure and there is less noise.

The central and final sections of the structure were demolished in the 1960s to make room for the BR-101 federal highway, causing the original design of the aqueduct to be lost. What remains today are only the first four arches, appearing like a silent witness to an interrupted construction.