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Mercedes

A river town on the Rio Negro with a long rambla, a fossil museum and an island campsite.

Updated 20 October 2026

WhereSoriano
Nearest cityMercedes
Best seasonOctober to April
Time to allowA day
Getting thereOn the Rio Negro in Soriano department; buses from Montevideo
EntryFree; museum charged

Mercedes sits on a bend of the Río Negro with its back to the water and a long tree-lined rambla along it, and the river is what the town is for: rowing, fishing and camping at the Hum campsite on the Isla del Puerto, joined to the town by a footbridge. The Museo Paleontológico Alejandro Berro holds an important fossil collection from the surrounding country, where the Río Negro banks cut into rich Pleistocene deposits. It is the capital of Soriano, one of the oldest departments, and the streets behind the rambla keep a low nineteenth-century grid of shuttered houses.

Highlights

  • The rambla - a long tree-lined promenade along the Rio Negro.
  • The palaeontological museum - fossils from the rich deposits along the river.
  • Isla del Puerto - the island opposite, used for camping and swimming.
  • The cathedral - Nuestra Señora de las Mercedes, by the Swiss architect Antonio Petrochi.

When to go

October to April is most comfortable; summer is hot inland. Winter on the river is damp.

Practical notes

The town is workaday and the interest is the river and the museum. Museum hours are limited. Summer heat here is considerable.

Nearby

Villa Soriano is southwest, and Fray Bentos is west.

Key facts

Founded1788
Location33.2484° S, 58.0299° W · map

Source: Wikidata, item Q844914, read on 18 October 2026.

What to pack for Mercedes

Chosen from what this place is for. Tap a kit for the full checklist.

  • Travel rod + reel - A packable multi-piece rod fits in a case and covers most holiday fishing. Find on Amazon
  • Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
  • Comfortable walking shoes - Sightseeing means kilometres of pavement and cobbles daily. Find on Amazon
  • Modest clothing - Shoulders and knees covered - the single most common requirement. Find on Amazon

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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