The Tiffin River is a 54.9-mile-long tributary of the Maumee River in northwestern Ohio in the United States. Headwater tributaries of the river rise in southeastern Michigan. The river drains a primarily rural farming region in the watershed of Lake Erie. Early French traders called the river Crique Féve, translated as Bean Creek, due to the natural growth of …The Tiffin River is a 54.9-mile-long tributary of the Maumee River in northwestern Ohio in the United States. Headwater tributaries of the river rise in southeastern Michigan. The river drains a primarily rural farming region in the watershed of Lake Erie. Early French traders called the river Crique Féve, translated as Bean Creek, due to the natural growth of bean plants along the shores.