Trinity River Map
The Trinity River is a 266 km (165 mi) river in the United States. This map shows its course to the Klamath River on shaded relief, with its river network, lakes, borders and major cities.
How to read this map
The Trinity River is about 266 km (165 mi) long and drains a basin of about 7,390 km² (2,850 sq mi). It flows into the Klamath River. Tributaries include North Fork Trinity River, South Fork Trinity River, Stuart Fork Trinity River, New River and Campbell Creek.
The highlighted blue line is the course of the Trinity River as mapped by Natural Earth. Towns and cities on the map include Redding, Eureka, Arcata and Crescent City. Labeled states and countries: California.
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 Trinity River 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 Trinity River 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.
Trinity River facts
| Fact | Value |
|---|---|
| Length | 266 km (165 mi) |
| Drainage basin | 7,390 km² (2,850 sq mi) |
| Mouth | the Klamath River |
| Countries | the United States |
| US states | California |
| Tributaries | North Fork Trinity River, South Fork Trinity River, Stuart Fork Trinity River, New River and Campbell Creek |
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 States. Compare with the world rivers map.
Frequently asked questions
How long is the Trinity River?
The Trinity River is about 266 km (165 mi) long, with a drainage basin of about 7,390 km² (2,850 sq mi).
Where does the Trinity River start and end?
The Trinity River flows into the Klamath River.
Can I download a blank map of the Trinity River?
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: Trinity River Map · Atlas of Maps (atlasofmaps.com), license CC BY 4.0.
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