La morfometría de la cuenca del río Cuale se analizó con información topográfica e hidrológica digitalizada a escala 1:50,000 del INEGI. Se verificó la delimitación de la cuenca corrigiendo los detalles hidrológicos y topográficos y se determinaron los parámetros morfométricos que explican los efectos dinámicos de su comportamiento hidrológico. Los resultados se obtuvieron con los programas de Sistemas de Información Geográfica (SIG): Arc Gis 9.3 (ESRI, 2008)® e Idrisi Taiga®. El paisaje está constituido por un sistema serrano con pendientes y desniveles que acentúan el riesgo por escorrentía, situación que influye de manera decisiva en su respuesta hidrológica y que deberá valorarse en la planificación del territorio y manejo integral.

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The Mexican Pacific coast is frequently affected by meteorological systems that cause rain. These events are beneficial when they precipitate in the internal valleys of the basins and water is captured from the highlands by filtration, recharging the aquifers, and allowing surface runoff through rivers and runoffs that are the natural sources of freshwater. On the other hand, these systems are adverse when they precipitate in excess, and additionally, they are associated with bad decisions and urban planning errors that put at risk the life and patrimony of some social sectors, this aspect has become a national security issue for the authorities. The region of Bahia de Banderas has a rainwater drainage network through open-pit channels that partially cover the urban area, a situation that puts the population and its assets at risk since rain considered common causes significant puddles, a situation that is progressively worsening, but the great danger of an extraordinary amount of rain, as has occurred in the past, is represented by the hydrological basins that cross or are adjacent to it, an aspect that will be discussed in greater detail in this article.

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