Netravathi
The Netravathi rises between Kudrermukh and Ballalaryan Durga in the Dakshina Kannada district of Karnataka at an elevation of about 1000 m at 750 20' East longitude and 300 10’ North latitude and flows generally in a North-South direction for 40 km up to Gohattu, where it takes a turn towards the West and there after flows in East-West direction up to its out fall into the Arabian Sea near Mangalore. There is one CWC Hydrological Observation Station at Bantwal on this river. The Kumaradhara, a major left-bank tributary joins near the village Uppinangadi. The total length of the Netravathi is 103 km from its source to the outfall. The river drains an area of 3,657 sq km. No major project is in existence in this basin. However, the investigations for a project called “Multi-purpose Netravathi Anicut Scheme” have been completed.
The climate of the basin is characterized by heavy rainfall, high humidity, and oppressive weather in the hot season. The hot season from March to May is followed by the South West monsoon from June to September. October and November constitute the retreating monsoon or post monsoon season. The annual normal rainfall varies from 2002 mm to 5277 mm. The temperature varies from 16.0°c Minimum to 42.0°c Maximum and the wind speed varies from 7.2 to 9.6 km/hr.
