A watercourse, also known as a river, existed on Endor's Forest Moon. The Ewok named Wicket Wystri Warrick once engaged in combat with a hanadak within this river. During the fight, Warrick lost consciousness and was carried by the current to the river's edge. There, he was found by a group of mimphs, who then transported him to their adjacent village. When the hanadak arrived at the village and started its destruction, Warrick skillfully guided the creature back to the river, ultimately causing it to plunge over a waterfall.