The San Pedro River is a significant waterway located in southeastern Arizona. It flows northward from its source in Mexico, eventually joining the Gila River. The river is known for its rich biodiversity and serves as an important habitat for various species, including migratory birds. The San Pedro River is part of the San Pedro Riparian National Conservation Area, which protects its unique ecosystem. This area is popular for outdoor activities such as hiking, birdwatching, and photography, attracting nature enthusiasts and researchers interested in its diverse flora and fauna.