The Battle of Kepaniwai ("Battle of the Dammed Waters of ʻĪao" or Kaʻuwaʻupali, "Battle of the Clawed Cliffs") was fought in 1790 between Hawaiʻi Island and Maui. The forces of Hawaiʻi were led by Kamehameha I, while the forces of Maui were led by Kalanikūpule.