Ponnaiyar River
Ponnaiyar River is the South Pennar River that originates in the Nandi Hills in the Chikkaballapura district of Karnataka.
It is also known as Dakshina Pinakini in Kannada and Thenpennai in Tamil.
It is one of the east-flowing peninsular rivers in India, like Godavari and Krishna.
Penna River
Penna River springs from the Nandi Durg peak in Karnataka.
It is also known as Uttara Pinakini or Northern pennar.
It is known by different names like pennar, penneru, and penner in different places.