The geography of Dakshina Kannada district comprises the beach in the west and the Western Ghats in the east. Soil is often a type of lattaritic, with high iron and aluminum elements.
The area of Dakshina Kannada district is about 30 km (18.64 mi) on the coast. The Geological Survey of India identified the district as a moderate earthquake-prone area, and in the Western Ghats it is responsible for changes in the hilly terrain to the east. Teak, bamboo and rosewood trees are found in the hilly areas east.
The major rivers are Netravati, Kumaradhara, Gurupura (Phalguni), Shambhavi, Nandini, and Paiswini all join the Arabian Sea. In Uppinangady, rivers of Netravati and Kumadara rise during the season. The incident is called "Sangam". Near the Mangalore, the Union of Netravati Gurupas forms a river that merges into the Arabian Sea.
Netravati river originates in the Western Ghats of the Kudremukh range of Karnataka. The river flows over 1,353 square miles. The Kumadadhara River, originating in the Subrahmanya range of the Western Ghats, meets the Netravati River near the Uppangangadi village. Every year around 100 tmc of water flows into the Arabian Sea.
The river Gurupura originates in the Western Ghats and is the tributary of the Netravati River, which derives its name from the town of Gurupur near Mangalore.
The Shambhavi River flows to the Arabian Sea to the west. Bappanadu Durga Temple is situated near this river.