- The Tapti (also known as the Tapi) is the second largest west flowing river of Peninsular India and is known as 'the twin' or 'the handmaid' of the Narmada.
- It originates near Multai reserve forest in Madhya Pradesh. Flows for about 724 km before entering into the Arabian Sea through the Gulf of Cambay (Gulf of Khambhat).
- The Tapti River along with its tributaries flows over the plains of Vidharbha, Khandesh and Gujarat and large areas in the state of Maharashtra and a small area in Madhya Pradesh.
- Situated in the Deccan plateau, the basin is bounded by the Satpura range on the north, Mahadev hills on the east, Ajanta Range and the Satmala hills on the south and by the Arabian Sea on the west.
- Important industries in the basin are textile factories in Surat and paper and newsprint factory at Nepanagar.
