| Mangakarengorengo River | |
|---|---|
 Mangakarengorengo River at McLaren Falls, at the confluence with the Opuiaki River | |
 Route of the Mangakarengorengo River | |
  Mouth of the Mangakarengorengo River  Mangakarengorengo River (North Island) | |
| Location | |
| Country | New Zealand |
| Physical characteristics | |
| Source | Confluence of Ngāumuwahine River and Mangahuruhuru Stream |
| • coordinates | 37°49′06″S176°01′02″E / 37.81846°S 176.01733°E |
| Mouth | |
• location | Opuiaki River |
• coordinates | 37°48′21″S176°02′41″E / 37.80584°S 176.04485°E |
| Length | 25 km (16 mi) |
| Basin features | |
| Progression | Mangakarengorengo River → Opuiaki River → Wairoa River → Tauranga Harbour → Bay of Plenty → Pacific Ocean |
| Tributaries | |
| • left | Mangakaiwhiria Stream |
The Mangakarengorengo River is a river of the Bay of Plenty Region of New Zealand. It is a tributary of the Opuiaki River.