Board any bus from Coimbatore ( Gandhipuram Moffusil Bus stand) and get down at Periya Nayakkan Palayam (LMW).
From Periya Naicken Palayam, take a bus West to Kovanur (about 4kms)
From Kovanur, a jeep (shared basis) will cost Rs. 10-Rs.20 to reach the hill temple ( 4kms) in about 20minutes.
1km from Kovanur, from the foot of the hill, there are also steps to walk up to the temple ( about 2kms- it will take about 45minutes to climb up the steps)
Bus from Railway Station / Gandhipuram (Bus No. 32) at 5.30 am will take you to Kovanur by 6.4 5am.
From Kovanur, direct bus ply to the temple at 7.00 am and 8.30 am.
A nice road is built for the transportation in Palamalai hills. So, you can even take your own vehicle to reach palamalai hills. You have to come across 6 steep hair-pin bends to reach Palamalai Hills. You are welcome at any time!