Navigation Although the river's greatest depth is , the Rio Grande generally cannot be navigated by passenger riverboats or by cargo barges. Navigation is only possible near the mouth of the river, in rare circumstances up to Laredo, Texas.
naVigAtiOn althoUgH tHe RiveR's GreAtest deptH Is , the rIo graNDe geNErALLy caNnOT be navigATed bY paSSengER RiveRBoaTS OR BY cArgo bargEs. naviGaTiOn is ONly POssible nEar THe mOuTh of tHe River, in Rare ciRcumstAnces uP tO LAredo, tExas.