Teacapan Estuary (Estero de Teacapán) is an estuaryinMexico, within the two provinces of Sinaloa and Nayarit. This long outlet drains two large coastal lagoons, Agua Grande LagooninSinaloa on its northern end and Agua Brava LagooninNayarit at its southern end, into the Pacific Ocean at its mouth, the Boca Teacapan. The estuary forms part of the border between the Escuinapa Municipality, Sinaloa, and the Tecuala Municipality of Nayarit.
The Teacapan Estuary is also fed by the Acaponeta River in its southern arm, and the Cañas River in the northern arm.[1]
22°32′50″N 105°45′00″W / 22.54712°N 105.7500°W / 22.54712; -105.7500
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