Devarayanadurga is a hill station near Tumkur in Karnataka. Devarayana Durga is a fortified hill, about 14 Kms. east of Tumkur town. The hilltops are dotted with several temples including the Yoganarasimha and the Bhoganarasimha temples at an altitude of 3940 feet. The place was originally known as Anebiddasari then as Jadakana Durga after a chief named Jadaka and finally as Devarayana Durga subsequent to its capture by Mysore king Chikka Devaraja Wodeyar. It consists of three elevations and seven gates leading to the top. On the lowest elevation situated is the Lakshmi-Narasimha Swamy Temple. Nearby is a spring know as Aane-doni. On the slope of the hill is a pond said to the source of stream Mangali. Higher up is another small spring named Jaya-tirtha representing the source of another stream Jaya. Both the streams unite at Irukasandra at the foot of the hill and form the river Jayamangali. The hills are also the source of the river Shimsha.