The Place
The Dam That Holds the River
Salto Grande is the hydroelectric dam across the Uruguay River, north of the city. Uruguay and Argentina built it together and run it together, through the Comisión Técnica Mixta, and it has been generating since 1979. The road and railway bridge over the dam is the border crossing to Concordia: the buses to Argentina go over it, and so does the visit.
Behind the dam the river widens into a lake. On the Uruguayan shore are Parque del Lago, the Termas de Salto Grande with their water park, and the Hotel Horacio Quiroga. In front of it, when the river is high, the spillway is open and the dam is at its most impressive. That is the day to go.
The visit is free. A short film, a talk, then a bus across the international bridge to the viewpoint and down into the machine hall, about 90 minutes in all. Book in advance: the Uruguayan delegation takes bookings online and by phone. Take your ID or passport, because the bus crosses the bridge.
Visiting
Six Ways In
| What | What it is | When | Cost |
|---|---|---|---|
| Guided visit to the complex | A short film, a talk, the bus across the international bridge to the viewpoint, and the machine hall. About 90 minutes. Booked in advance, online or by phone. | Mon–Fri 7am–4pm Sat, Sun and holidays 8am–4pm | Free |
| Environmental visit | A 1-hour visit on the nature and sustainability of the complex, in the delegation's own words. Its Centro de Información Ambiental, on the Uruguayan side, has hands-on panels on the fish of the river, the native woodland, the birds and their songs, the reptiles of the grounds and the lagoon inside the complex, home to capybaras and caimans. Booked in advance on the same page. | Mondays and Fridays, 9am and 1pm | Not listed |
| Energimundo Science museum, Route 3 km 508 | Salto Grande's interactive museum of renewable energy, beside the complex: about an hour of hands-on stations on water, wind, sun, biomass and tides, a full-scale model of the dam's fish passage showing how the dorado swim upstream (the fishing in Uruguay below the wall is its own story), a solar clock and a geodesic dome cinema outside, and workshops for children. The best wet-day plan with children in Salto. Night visits of the dam and the museum on some full-moon dates. | Mon–Fri 7am–6pm Sat–Sun 12pm–6pm, last visit 4.45pm | Free |
| Free tourist bus Intendencia de Salto | The Friday circuit: Plaza Artigas, the port, the costanera and the dam. It picks up at the Mini Terminal at Termas del Daymán first, then in the centre. | Fridays. 9am at the Mini Terminal Daymán, 9.30am at Plaza Artigas | Free |
| Water park Parque Acuático Termas de Salto Grande | Hot-springs pools, slides and a wave pool on the lake shore, next to the Hotel Horacio Quiroga. Open to everyone, all year; hotel guests go in free. The park's own hours and prices page is in Spanish. | Every day 10am–6pm, 365 days | UYU 650 (about US$16). Children 4 to 10 UYU 520, under 3 free. Salto residents UYU 520 with ID (the park, October 2026) |
| Museum and Ecoparque Argentine side | The Museo y Centro Cultural Salto Grande, in the old Parada Ayuí railway station near Concordia, with material from the construction years and a scale model of the turbines, and the trails of the Ecoparque. Easiest as part of a day in Concordia. | Every day 7am–3pm | Free |
Hours: Intendencia de Salto, Agenda Salto, October 2026, and the Comisión Técnica Mixta de Salto Grande (visitas); Energimundo, as published in El Pueblo on 16 September 2026; the environmental centre, from its own guide. They change with the season.
Plan It
Getting There and Making a Day of It
North of the city on the road to the international bridge, past Parque del Lago: about 20 minutes by car or taxi (fares on saltouruguay.com). On Fridays, the free bus from Termas del Daymán and Plaza Artigas.
A high river usually means the spillway is open, and that is the best day to see the dam. The river height is live on saltouruguay.com, and the Journal note Salto When the Weather Turns explains what a rise means for a visit.
The visit in the morning, then the water park or the lake shore, and lunch at the Hotel Horacio Quiroga. The Stay page covers sleeping by the lake.
The bridge over the dam is the land crossing to Concordia. The buses use it, and when the river passes 10.55 m and the passenger boat stops, it is the only way across. The Concordia day trip note has both routes.