Mallalli falls is located in the foothills of Pushpagiri Mountains. This Pushpagiri Mountains is the highest peak in Karnataka. It is located in the Somwarpet Taluk, 20 kilometres (12 mi) from Somwarpet in the northern part of Kodagu district on the border between Dakshina Kannada and Kodagu districts. It is around 265 km from Bengaluru. The Kumaradhara River is the main watercourse for this waterfall of Mallalli. It later flows through Kukke Subrahmanya and merges with the Netravati River. This river is the supporting point of Mangalore at Uppinangadi.
The climate in this region is generally cool and wet. The climate is that of a highland, with no extreme variations. It receives heavy rainfall between June and September. From October to December the area is covered with mist almost all the time. The water of Mallalli falls only during the monsoon season. There is no availability of water during the other seasons. Hence the best time to visit the place is in monsoon. The tourists travel during the monsoon season to visit the Mallalli Falls.
The best time to visit Mallalli falls is between 10 am to 4 pm. After dusk the area become dark. The Kumaradhara River is the main watercourse for this waterfall. The Kumaradhara River later passes through Kukke Subrahmanya and merges with the Netravati River. This Netravati River is the lifeline of Mangalore. At Uppinangadi there are lakhs of visitors offering their payers.