Kollegal is one of the larger taluks in Karnataka and was previously the largest. Plans are underway to divide Kollegal taluk with Hanur as the capital of the new taluk in the Chamrajnagar District.
Kollegal is well known for its silk industry which attracts traders from all over the state.It is also called "silk city" Until 1956, Kollegal taluk was part of Coimbatore district of the Madras Presidency. After Independence, it was switched to Karnataka primarily for linguistic reasons.
Many tourists visit the Kollegal area. The Malai Mahadeshwara Hills, and the waterfalls at Hogenakal near to Male Mahadeshwara Hills and the waterfalls of Gagana Chukki and Bhara Chukki at Shivana Samudra (also known as Bluff) are popular destinations. In kollegal there is a small hill called "Maradi Gudda" this is the unique attraction of Kollegal, and Gundal dam is just 15 km (9.3 mi) away from Kollegal.
The nearest Railway stations are Chamarjnagar 30 km (19 mi) and Mysore (MYS) 60 km (37 mi). Nearest airport is Bangalore International Airport (BIA), 150 km (93 mi) away. Kollegal is the main junction where you can enter Salem, Coimbatore, Ooty, Kozhikode, Mysore & Bangalore. The Biligiri Rangana Betta (known as BR hills) is just 30 km (19 mi) away from the town. The K.Gudi (Kyathadevara Gudi) Wilderness camp run by the Jungle lodges and resorts (a govenrment of Karnantaka undertaking) is near the B.R hills.