Waihou River
Route of the Waihou River
Mouth of the Waihou River
Etymology	Maori meaning "new waters"
Native name	Waihou (Māori)
Location
Country	New Zealand
Region	Northland Region
District	Far North District
Physical characteristics
Source	Confluence of the Waipapa River and the Whakanekeneke River
• coordinates	35°17′32″S 173°39′50″E / 35.29222°S 173.66389°E / -35.29222; 173.66389
• elevation	5 m (16 ft)
Mouth	Hokianga Harbour
• coordinates	35°21′18″S 173°33′16″E / 35.35500°S 173.55444°E / -35.35500; 173.55444
• elevation	0 m (0 ft)
Length	16 kilometres (9.9 mi)
Basin features
Progression	Waihou River → Hokianga Harbour
River system	Waihou River
Tributaries
• left	Wairere River, Utakura River, Whakanekeneke River
• right	Mangamuka River, Orira River, Waipapa River

The Waihou River is a small river in the Northland Region of New Zealand's North Island. It flows southwest to reach the Hokianga Harbour.^[1]