Swarna

The river Swarna is one of the major West Flowing Rivers in Dakshina Kannada District of Karnataka State taking its origin in Western Ghats and joining Arabian Sea near Kameshwara village in Udupi taluk. The river flows for a length of 61.05 km up to its confluence with the sea. The river Swarna is called “Yennehole” in the initial reaches and Swarna River after confluence with `Kaud-hole' its tributary. There is one CWC Hydrological Observation Station at Yennehole on this river

The River Swarna is perennial. Though the flow in the river is meagre in summer months, an abundant quantity of flow is experienced during monsoon. The catchment area of the river is under the influence of South West monsoon between June and September. Three distinct seasons prevail in this basin, summer season from March to May, monsoon from June to November and winter from December to February. Due to proximity to sea, the region is generally humid with a further rise in humidity during monsoon season. The maximum, minimum and average annual rainfall of the basin are found as 7751 mm, 3465 mm and 4436 mm respectively. The monthly average Maximum & Minimum temperatures recorded are 32.4o C in April and 21.7o C in January respectively. The maximum monthly average wind speed varies from 7.2 to 9.6 km/hr.