- 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.
- It is one of the east-flowing peninsular rivers in India, like Godavari and Krishna.
- The basin extends over the states of Andhra Pradesh and Karnataka.
- The total length is 597 km.
- The principal tributaries are the Jayamangli, the Kunderu, the Chitravari, the Papagani and the Cheyyeru.
Boundaries of Penna River Basin
- The fan-shaped basin is bounded by
- the Erramala range on the north,
- the Nallamala and Velikonda ranges of the Eastern Ghats on the east,
- the Nandidurg hills on the south and
- the narrow ridge separating it from the Vedavati valley of the Krishna Basin on the west.
- The other hill ranges in the basin to the south of the river are the Seshachalam [famous for Red Sanders] and Paliconda ranges.