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.

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.

Stone quarry of this gneiss still continues to be an endless source material for research in the various branches of earth science.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.

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.

[1] The outer wall of an old water tank in the confines of the Bugle Rock park has murals of famous people of Bengaluru 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.

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.

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.

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.