Athirappalli and Vazhachal are situated on the Chalakudy River, which originates from the upper reaches of the Western Ghats. At the entrance to the Sholayar ranges is the largest waterfall in Kerala, Athirapally, which stands tall at 80 feet. Just a short drive from Athirapally, the Vazhachal waterfall is close to dense green forests that are home to many endangered and endemic species of flora and fauna.
The waterfalls are located on the edge of the Sholayar forest ranges are just 5 km apart. This is the only place in the Western Ghats where four endangered Hornbill species are seen. Athirappalli is about 63 km from Thrissur and Vazhachal about 68 km.