The Rance Estuary is located in Brittany, France, where the Rance River meets the English Channel. This estuary is known for its tidal variations, which create a unique ecosystem that supports diverse wildlife. The area is also popular for recreational activities such as sailing and fishing. One of the notable features of the Rance Estuary is the Rance Tidal Power Station, which harnesses tidal energy to generate electricity. This facility is one of the first of its kind in the world and plays a significant role in promoting renewable energy in the region. The estuary's scenic beauty and ecological importance make it a valuable natural resource.