The main temples of Tumkur District are Lakshmikanthaswamy Temple, Gulur Ganesh Temple, Shri Kamakshi Sharadamba Temple, Siddhaganga, Turuvekere, Devarayanadurga. Veerabhadreshwara Temple is one of the important temples of Tumkur District that is situated at Dillinkote village in Tumkur District of Karnataka. This temple is dedicated to Veerabhadreshwara or the soldier avatar of Lord Shiva. The sanctum sanctorum enshrines two main idols, a naturally formed Shivling, the phallic emblem of supreme creative energy, and a statue of Lord Shiva in standing posture holding a sword and shield.
Kalleshwara Temple is an important temple of Tumkur District, built by the ancient Nolamba Dynasty of the 9th century, Kalleshwara Temple in Aralaguppe is a lovely temple with only attached pillars in the front. The interior of the temple is adorned with beautiful sculptures of gods. Siddarameshwara Temple lies in the Belagumba Village of Tumkur District and dates back to the 15th century. The temple belonged to the rulers of Hoysala dynasty. According to a legend, the idol of Lord Shiva in the Linga form was found among the rocks of the hill.
Goravanahalli Mahalakshmi Temple in Koratagere is one of the important temples of Tumkur District. This unique and ancient temple attracts thousands of pilgrims. Madhugiri Bhagawan Mallinatha Temple is devoted to Bhagvan Mallinatha. The idol made of Panchaloha (5 metals) is found in the kadgasana posture.
On South Kunigal Road of Tumkur there is Chenna keshava temple which has the idol of Sri Chenna Keshava that was carved by famous architect Sri Jakanachari and his son Sri Dankanachari. In Yediyur there is a Varadaraja temple and two Veerashaiva Mathas.
In the town of Siriya there is the Gopalakrishna temple that has no image and it is said to be housed in the Narayana temple. To the south of Sira is a Narasimha Swamy temple that was built during the 18th century by Nallappa an officer under Haider Ali. The temple is decorated with mural paintings depicting the themes of Ramayana, Mahabharata and Dashavatara.