Lake Toba Map
Lake Toba is a lake in Indonesia, covering about 1,150 km² (442 sq mi), with a maximum depth of 529 m (1,736 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 905 m (2,969 ft) above sea level. It drains through the Asahan River.
The blue outline marks Lake Toba as mapped by Natural Earth. Towns and cities on the map include Medan, Binjai, Pematangsiantar, Tebing Tinggi and Sibolga.
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 Lake Toba 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 Lake Toba 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.
Lake Toba facts
| Fact | Value |
|---|---|
| Length | 87 km (54 mi) |
| Area | 1,150 km² (442 sq mi) |
| Maximum depth | 529 m (1,736 ft) |
| Surface elevation | 905 m (2,969 ft) |
| Outflow | the Asahan River |
| Countries | Indonesia |
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: Indonesia. Compare with the world rivers map.
Frequently asked questions
How big is Lake Toba?
Lake Toba covers about 1,150 km² (442 sq mi).
How deep is Lake Toba?
Its maximum depth is about 529 m (1,736 ft).
Where is Lake Toba?
Lake Toba lies in Indonesia.
Can I download a blank map of Lake Toba?
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: Lake Toba Map · Atlas of Maps (atlasofmaps.com), license CC BY 4.0.
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