The Horsley hill is situated in the Chittoor district of Andhra Pradesh state. It is the shelter for the heat affected devotees of Thirupathi in the hot season. This wonderful hill resort was discovered by W.D. Horsley in 1870. It is located along the grand ranges of Eastern Ghat and is about 150 km from Tirupathi by road via Madanapalle.

The last stretch of the Horsley hill, which is of 10 km, has difference of height of 746 meter. This difference between the point and the base shows how steep the hill is. The hill is about 1265 meter above sea level. The discoverer of the hill constructed many houses here. The mighty hills and the sylvan surroundings here are full of calm and charm. The beauty of the hill was increased by the cool mountain here. This hill has groves of teak, red sandalwood, eucalyptus, gulmohar and many other precious products. Huge rocks can be seen among the verdant expanse of vegetation.

A panoramic view of the lower lands can be enjoyed from the top of the Horsley hill. This place has a very pleasant climate and the temperature is average 18°C less than the plains below. The visitors need to carry warm clothes if planning to spend night there.

The Horsley hill has an interesting legend associated with it. It is believed that earlier the place was known as Enugu Mallamma Konda because a saintly lady called `Mallamma` was protected and fed by an Elephant living on this hill. The term `Enugu` means elephant and hence the name of the hill is so. The Horsley`s Bungalow can be visited by the tourists. Another interesting thing here is the eucalyptus tree, which is believed to be more than 100 years old. A sericulture centre is also worth visit here, which is often visited by numerous birds.

The nearest railway station of the Horsley hill is Madanapalle. It is about 40 km from here and the town is 27 km away. However, this hill resort has road links with Bangalore, Madanapalle, Chennai and Tirupathi. Tirupathi is the nearest airport but many prefer the Bangalore airport for convenience.

There is a school in the Horsley hill named `Rishi Valley School`. It is about 16 km from Madanapalle and is run by American Management on public school lines.