| Mountain Passes | Important Features |
|---|
| The Palakkad Gap | The Pass located between the Nilgiri Hills to the north and Anaimalai Hills to the south |
| Kamban Pass | Through the Kamban pass was transacted most of the trade from central Kerala (Thodupuzha) |
| The Thamarassery Pass | The Pass Connects Kozhikode and Wayanad |
| The Bodinaykannur Pass | This Pass is in the Travancore area (Central Kerala) connects Madurai with the High Ranges of Idukki District in Kerala |
| Arambadi Pass (Aruvamozhi) | Connects Trivandrum in Kerala and Thirunelveli in Tamil Nadu |
| Perambadi Pass | Perambadi Pass Connects Kannur and Coorg |
| Aryankavu Pass | It Connects Shenkottai in Tamil Nadu With Punalur in Kerala |
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