Why it belongs here
The Serra de Ibiapaba (Ibiapaba mountains) also known as Serra Grande, Chapada da Ibiabapa e Cuesta da Ibiapaba, is an upland in northeastern Brazil, which lies on the boundary of Piauí and Ceará states. The range runs north and south, extending from near the Atlantic coast in the north to connect with the Serra do Araripe, which forms the southern boundary of Ceará.
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