Bugle Rock (Kannada: ಕಹಲೆ Kahale)  is a massive rock in the Basavanagudi area of South Bangalore, in the state of Karnataka. It is an abrupt rise above the ground of peninsular gneiss as the main rock formation and with an assessed age of about 3,000 million years. Bugle Rock has generated wide interest among the scientific community.

Kempe Gowda II (who came to power in 1585), the feudal ruler of Bangalore, is credited with building four watchtowers setting limits for Bangalore's expansion, which included a tower on the Bugle Rock (on the southern boundary) as it commands a panoramic view of Bangalore city. It is said that at sunset a sentry would blow the bugle and hold a torch (Kannada:panju) which was visible from the other three watch towers (one on the southern bank of the Kempambudi tank on the west, the second near Ulsoor Lake in the east and the third tower adjoining Ramana Maharshi Ashram on Bellary Road, namely Mekhri Circle in the north). This was done to inform people that everything was safe at that location and to give a warning bugle call to alert the citizens of any intruders into the city.Most of the rocks on the Bugle Rock, next to the Bull Temple, have hollows, which were once used to light lamps. This landmark spreads over an area of 16 acres (6.5 ha). This rock is contiguous and similar to the rock at Lalbagh tower.

The Geological Survey of India has listed this site,  as "Geological Monuments of India" and has displayed a commemorative plaque in front of the rock tower which states.

Amidst the natural rock formations, a small park with waterfalls and fountains has been developed as one of the green lungs of the garden city of Bangalore, which is frequented visited by children, families and the elderly. The park houses three temples. The densely tree-lined park developed by the Horticulture Department of the Government of Karnataka is considered a “walkers paradise” since over 750 to 1000 visitors (70% of them senior citizens) visit the park every day. One can also hear calls of a number of bats perched on the trees. An amphitheatre, which can accommodate 300 people, has been developed in the precincts of the park. The Hindu temple Dodda Basavana Gudi or Bull Temple, said to be the biggest temple to Nandi (the bull referred to as a sacred Hindu demi-god) in the world, and a Ganesha temple are in the limits of the park. According to an inscription in the Bull Temple, a spring beneath the Nandi is the source of the Vrishabhavathi River, which flows to the west of Bangalore.

During the Third Mysore War, a contingent of the Mysore army, regrouped in this rock area under the leadership of Mir Khammar-ud-din before attacking the British Army.

Honour to distinguished people

The outer wall of an old water tank in the confines of the Bugle Rock park has murals of famous people of Bangalore and Karnataka: Kempe Gowda I (1513–1569), the ruler of Bangalore and Bharat Ratna Sir Mokshagundam Visvesvarayya (1860–1962), the engineer statesman and the builder of modern Karnataka, behind the statue of D V Gundappa, (1887–1975) popularly known as DVG, the Kannada litterateur, philosopher erected in 2002–03 to honour him. It is said that Bugle Rock was the place where D.V. Gundappa used to meet Masti Venkatesh Iyengar, journalist P.R. Ramaiya (of Tainadu newspaper fame, one of the founders of Kannada journalism and the first MLA from the area after independence), artist A.N. Subbarao (founder of Kalamandira which used to be in Gandhi Bazar), lawyers M.P. Somashekhara Rao and Nittoor Srinivasa Rau (who later became the Chief Justice of Karnataka High Court) and several other noted people like Prof. V.T. Srinivasan, founder and principal of Vijaya College, Bangalore.

The park has been named in honour of T.R. Shamanna, a humanitarian and local politician. It has been spruced up with landscaping with rocky steps. An impressive entrance has been sculpted with rock pillars and by adding murals on the unused outer wall of the water tank with engravings of the faces of eminent people.

Fruit bats

In the Bugle Rock park, in a study carried out by bat biologists, fruit bats (Pteropus giganteus) (also called Indian Flying-fox, listed as least-threatened in the 2006 IUCN Red List of Threatened Species Chiroptera Specialist Group 1996) have been recorded in roost trees (Ficus sp., Mangifera indica (mango fruit tree), Samanea saman (rain tree), Eucalyptus sp., Glaycindia sp.), and also in Gulmohar (Delonix regia) and jackfruit tree ((Artocarpus heterophyllus) in the garden, tree groups and protected areas with a roost size of 650–710. The roost trees, about 20–25 and generally 30–40 feet (9.1–12.2 m) tall, are in the central area of the park and are 50–60 years old. The area is maintained by the Bangalore Development Authority (BDA). The farmland, before roost, is stated to be undisturbed and ancient. The study has observed that there is need to conserve urban roosts of bats. It is recorded that the Police Commissionerate on Infantry Road, Bangalore has geared to preserve bats, which have nested in the trees in the Commiserate for many years.

Transportation

City bus routes: 36, 43, 45 from Majestic/Market, 3 from Jayanagar, 34, 37 from Shivajinagar, T-12 from Yeshvantapur RMC.

Photo Gallery: