The easiest route to get to Coonoor via road is the road from Mettupalayam to Ooty. Coonoor is in the middle of this route. You can board a bus from Gandhipuram at Coimbatore straight to Coonoor or you can drive all the way to Coonoor along this route. You can also board a bus from Mettupalayam and get off at Coonoor.
The ride uphill from Mettupalayam to Coonoor takes about 3 hours. State buses, as well as private services are available from all major cities of Tamil Nadu to the town of Coonoor. Luxury buses and Volvo buses are also available from major South Indian cities such as Bangalore and Chennai.