Thames River Map
The River Thames is a 334 km (208 mi) river in the United Kingdom. This map shows its course from Kemble to the North Sea on shaded relief, with its river network, lakes, borders and major cities.
How to read this map
The River Thames is about 334 km (208 mi) long and drains a basin of about 15,300 km² (5,910 sq mi). Its average discharge is about 66 m³/s (2,320 cu ft/s). It rises at Kemble and flows into the North Sea. Tributaries include River Colne, River Brent, River Cherwell, River Medway, Westbourne, River Ravensbourne, River Wey and River Windrush.
The highlighted blue line is the course of the River Thames as mapped by Natural Earth. Towns and cities on the map include London, Birmingham, Southend-on-Sea, Bristol, Brighton, Leicester, Portsmouth and Bournemouth.
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, and fine dashed lines show state or province borders.
The relief uses Terrain Tiles (SRTM, GMTED2010 and ETOPO1 elevation data). Rivers, lakes, borders and the course of the River Thames come from Natural Earth, and the figures on this page from Wikidata. Natural Earth draws features at a small scale, so the line is a guide to where the River Thames 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.
River Thames facts
| Fact | Value |
|---|---|
| Length | 334 km (208 mi) |
| Drainage basin | 15,300 km² (5,910 sq mi) |
| Average discharge | 66 m³/s (2,320 cu ft/s) |
| Source | Kemble |
| Mouth | the North Sea |
| Countries | the United Kingdom |
| Tributaries | River Colne, River Brent, River Cherwell, River Medway, Westbourne, River Ravensbourne, River Wey, River Windrush, River Coln and River Mole |
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: United Kingdom. Compare with the world rivers map.
Frequently asked questions
How long is the River Thames?
The River Thames is about 334 km (208 mi) long, with a drainage basin of about 15,300 km² (5,910 sq mi).
Where does the River Thames start and end?
The River Thames rises at Kemble and flows into the North Sea.
Can I download a blank map of the River Thames?
Yes. The blank version keeps the relief, rivers and borders and the highlighted river 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: Thames River Map · Atlas of Maps (atlasofmaps.com), license CC BY 4.0.
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