Government of Kerala
| Reserves | National Park / Tiger Reserve | Boundary Description |
| MOUNT PLEATEAU | PERIYAR NATIONAL PARK | Periyar East Division |
| Periyar Lake Reserve | Periyar Tiger Reserve | Periyar Range |
| RATTENDON VALLEY | Eravangalar Section | |
| Kottamala Section | ||
| Manalar Section | ||
| Mavady Section | ||
| Mlappara Section | ||
| Moolavaiga Section | ||
| Periyar Section | ||
| Randattinkara Section | ||
| Sundaramala Section | ||
| Thamara Section | ||
| Thannikkudy Section | ||
| Ummikuppan Section | ||
| Thekkady Range | ||
| Edapplayam Section | ||
| Methakanam Section | ||
| ` | Mullakkudy Section | |
| Nellikkampetty Section | ||
| Thekkady Section | ||
| Vallakkadavu Range | ||
| Aruviyoda Section | ||
| Kalaridichan Section | ||
| Kozhikanam Section | ||
| Thondiyar Section | ||
| Vallakkadavu Section | ||
| Periyar West Division | ||
| Azhutha Range | ||
| Azhutha Section | ||
| Choozhy Section | ||
| Kumarakom Section | ||
| Moozhikal Section | ||
| Satharam Section | ||
| Uppupara Section | ||
| Pampa Range | ||
| Karimala Section | ||
| Pachakanam Section | ||
| Pampavalley Section | ||
| Puthussery Section | ||
| Sabarimala Section |