Termas de San Nicanor, Thermal springs in Paysandú Department, Uruguay.

Termas de San Nicanor is a private thermal complex within the Estancia San Nicanor in northern Paysandú Department, Uruguay. It has three pools: one at the estancia's main house and two in the camping and day-visitor area. The 860-hectare ecological reserve contains natural grasslands, woods and four artificial lakes. The water comes from the Guaraní Aquifer at a depth of 1,104 metres and is about 40 °C.

The baths belong to the private Estancia San Nicanor in northern Paysandú department, near the Salto border. The water is drawn from 1,104 metres down in the Guaraní aquifer at about 40 °C. The complex has three pools: one by the estancia buildings and two in the camping and day-visitor area, within a roughly 860-hectare ecological reserve with four artificial lakes.

The complex sits inside Estancia San Nicanor, a working private ranch in northern Paysandú department. Its three pools draw on freshwater from the Guaraní Aquifer, raised from 1,104 metres at about 40 °C and valued for therapeutic properties. Bathers share the grounds with a roughly 860-hectare ecological reserve of natural grassland, woodland and four artificial lakes.

Access is from Route 3 via 13 km of the Camino Tierras Coloradas, shortly before the Paysandú–Salto border; the Gruta del Padre Pío pilgrimage site lies about 2 km from the junction. From Montevideo take Routes 1 and 3; from Argentina cross at Puente General Artigas through Paysandú or at Salto Grande through Salto. The complex has three pools: one at the estancia house and two in the camping and day-visitor area.

The reserve covers about 860 hectares of natural grassland, woodland and four artificial lakes. The water comes from the Guaraní Aquifer at a depth of 1,104 metres and reaches around 40 °C. Two kilometres from the junction with Route 3 stands the Gruta del Padre Pío, a pilgrimage site passed on the way in.