Garonne and Dordogne Rivers Entering Gironde Estuary, France – June 2nd, 201144.8N 0.5W
The Gironde Estuary is an estuary in South-West of France located in two regions: Aquitaine and Poitou Charentes. It is the common estuary of Garonne and Dordogne Rivers. Here, the estuary is tan from sediments, and the two rivers are easily identified by their tan color as well.
The largest estuary in Western Europe, it is 75 km long and up to 12 km wide with an area of 635 km². This macrotidal estuary has a tide amplitude varying from 2 m to 5 m. This amplitude actually increases from river mouth to upstream areas because of decreasing width and depth.