Bahía de Cádiz Natural Park (Parque Natural de la Bahía de Cádiz) is a 10,522-hectare (26,000-acre) natural park located in the province of Cádiz (Andalusia, Spain).

[3] Located at the mouth of the Guadalete river, it consists of marshland, beaches, reed and sand dunes.

Recreational activities include bird watching, sailing, windsurfing and hiking.

[4] Animals that can be found include solan goose, stork, cormorant, great crested grebe, seagull, flamingo, tern, sea eagle and avocet.

The park is a Special Protection Area (Zona de Especial Protección para las Aves, ZEPA)[5]