|Source elevation||±2,500 m|
|Avg. discharge||9.6 m³/s|
|Basin area||750 km²|
The Tech (Catalan: Tec) is a river in southern France, very close to the French-Spanish border. It runs through a valley in the Pyrénées-Orientales, in the former Roussillon, and is 84 km long. Its source is the Parcigoule Valley (2,500 metres high) and it feeds the Mediterranean Sea. At Céret, the medieval Devil's bridge, once the largest bridge arch in the world, spans the river in an arc of 45 m length.
The Tech flows through the following towns: Prats-de-Mollo-la-Preste, Arles-sur-Tech, Amélie-les-Bains-Palalda, Céret and Le Boulou. It flows into the Mediterranean Sea between Saint-Cyprien and Argelès-sur-Mer, southeast of Perpignan.
- Cotrim da Cunha, Leticia, Léon Serve, François Gadel and Jean-Louis Blazi (September 1998). "Lignin-derived phenolic compounds as indicators of the nature of particulate organic matter in a Mediterranean river, the Tech". 2nd International Electronic Conference on Synthetic Organic Chemistry. Retrieved 2007-01-27.
- The Tech at the Sandre database
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