Lagoa Mirim Map
Lagoa Mirim is a lake across Uruguay and Brazil, covering about 3,990 km² (1,540 sq mi), with a maximum depth of 12 m (39 ft). This map shows the lake outlined in blue on shaded relief, with the rivers, borders and towns around it.

How to read this map
Its surface lies about 1 m (3 ft) above sea level. Inflows include Cebollatí River, Arroyo de la India Muerta, San Luis River, Jaguarão River and Tacuarí River. It drains through the São Gonçalo Channel. It is shared by Uruguay and Brazil.
The blue outline marks Lagoa Mirim as mapped by Natural Earth. Towns and cities on the map include Pelotas, Rio Grande, Melo, Jaguarão, Santa Vitória do Palmar, Treinta y Tres, Castillos and Lascano.
Greens show lower elevations; tan and brown show higher land, with pale tones toward the highest terrain. Shadows emphasize the slopes, and vertical relief is exaggerated so landforms are easier to read. Dashed lines show country borders.
The relief uses Terrain Tiles (SRTM, GMTED2010 and ETOPO1 elevation data). Rivers, lakes, borders and the outline of Lagoa Mirim come from Natural Earth, and the figures on this page from Wikidata. Natural Earth draws features at a small scale, so the outline is a guide to where Lagoa Mirim is, not a surveyed boundary.
Blank physical map
The blank version keeps the mapped features and removes the place labels. Download it for a geography worksheet or practice identifying the features.

Lagoa Mirim facts
| Fact | Value |
|---|---|
| Length | 185 km (115 mi) |
| Area | 3,990 km² (1,540 sq mi) |
| Drainage basin | 62,300 km² (24,000 sq mi) |
| Maximum depth | 12 m (39 ft) |
| Surface elevation | 1 m (3 ft) |
| Inflows | Cebollatí River, Arroyo de la India Muerta, San Luis River, Jaguarão River and Tacuarí River |
| Outflow | the São Gonçalo Channel |
| Countries | Uruguay and Brazil |
Data sources and license
- Natural Earth (public-domain geography): Public domain.
- Terrain Tiles / Mapzen (SRTM, GMTED2010, ETOPO1): Open elevation data; source attribution retained.
- Wikidata (lengths, areas, countries and other facts): CC0 1.0.
Map design and rendered images: Atlas of Maps, CC BY 4.0. Source databases retain their own licenses; the map license does not replace them.
Maps of the countries: Uruguay, Brazil. Compare with the world rivers map.
Frequently asked questions
How big is Lagoa Mirim?
Lagoa Mirim covers about 3,990 km² (1,540 sq mi).
How deep is Lagoa Mirim?
Its maximum depth is about 12 m (39 ft).
Where is Lagoa Mirim?
Lagoa Mirim lies in Uruguay and Brazil.
Can I download a blank map of Lagoa Mirim?
Yes. The blank version keeps the relief, rivers and borders and the highlighted lake but removes the place names. Both versions are free to download as PNG and as an A4 PDF.
Use this map
You can download, print and share this map for free, in class, in school projects, in presentations and on websites, as long as you credit the source: Lagoa Mirim Map · Atlas of Maps (atlasofmaps.com), license CC BY 4.0.
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