From Chennai, you need to catch the Poonthamalli High Road, Get onto NH4 and drive till Wallajah before Arcot from where you have to take the route to Chittoor. Stay on NH4 till Palamaner and turn right onto NH219. Stay onNH219 till Madanapalle. Take right onto NH205 and Horsley Hills is 16 km from here.
From Banglore, one needs to drive on NH-4 starting from Krishnaraja Puram (get onto the cable stayed bridge and heads towards Hoskote) and going onto Hoskote and then Kolar. From Kolar take the road to Srinivaspur and onto Rayalpadu. Beyond Rayalpadu is Andhra Pradesh territory. From Rayalpadu get to Madanpalle and take the road towards Kadiri and Anantpur. Then a left deviation towards Horsley Hills.
Alternate route: Bangalore - Hoskote - Chintamani - Rayalpadu - Madanapalli - Horsley Hills (Fine double road; saves you more than 30 km)
Alternate route two: Bangalore - Hoskote - Chintamani - Gownipally - B.Kothakota - Horsley Hills (Shortest and Best among all)
Alternate route three: Bangalore - Hoskote - Kolar - Mulbagal - Palamaneru - Punganuru - Madanapalle - Horsley Hills (this route is approximately 195 km from Bangalore depending upon where in Bangalore you are located). This route is better because you drive on NH4 up to Palamneru and then NH219 and NH205 upto Madanpalli. The road is very nice to drive on although there is truck traffic on NH4.
Google maps suggests another route through Chikbalapur. This route is . This route is small village lanes suitable only for a big biker group perhaps but not at all suitable for 4 wheelers.
By Rail: For people visiting the place from places further than Bangalore, a rail option is available. The place is connected to Hyderabad, Dharmavaram (on the Bangalore-Guntakal route) as well as Tirupati, which is equally well connected to all parts of the country. The nearest railhead to Horsely Hills is Madanapalle Road (13kms away), which is connected by the Dharmavaram-Tirupati passenger and the biweekly 12732 Secunderabad-Tirupati Express.
By Bus: From Bangalore till madanapalli you will get busses frequently. For Super luxury ticket cost around 175/- and for express around 85/-. From madanapally to horsley hills only one bus is there. it will be morning 7:30 am and evening 7:30 pm only. In the bus station get into 'Kotha Kota' bus. it will take you till beneth the hill. it cost around 10/-. To reach top of the hill couple of private vans are there. if van is full Per head they will charg around 20/-. Better wait till van gets filled.
Many beautiful mountains around the hill top. Nearby Madanapalle is a small town, but it has supermarkets and lots of shops with Indian gourmet...Its a place to relax and walk around. Maybe take a small hike to the top of a nearby hill. Walking is the preferred option.
Nearby Horsley Hills the is wildlife sanctuary (Koundinya Wildlife Sanctuary and an elephant reserve)and Thimmamma Marrimaanu (World's Biggest banyan tree spread over 11 acres according to locals over there.
Drive to the hills early in the morning is a real deal, covered in fog, chilled breeze and if you are lucky enough, you might spot Sambar deer.
There is a very rare sight - two separate trees with parts of their trunk fused together. They have been planted in a park opposite the Punnami resort. There is also a very old Eucalyptus tree with a massive trunk (as Eucalyptus tree trunks go) in the same garden.
Beautiful views of the plains. It is almost like flying. Next to the resort there is an old zoo. Try finding the crocodile there :-)
Lots of animals and plants on Horsley Hills and the idyllic surrounding area.
Nothing much to do here but relax. If room is booked then entry for swimming pool is free for 1 hour. Else 100/- per hour
Make sure you take enough money before climbing the hills. The nearest "working" ATM is in Madanapalle, which is 28 Kms from Peak. Hence dont take risk.
You can eat at AP Tourism's Punnami resort. Buffet breakfast (Costs around Rs 90/-) over here is very good. If you book the APTDC rooms then breakfast is complimentary. Afternoon you will get veg buffet it cost 115/- in APTDC. Non-veg will be extra cost. Sometimes if we order 1 day before we get Kamju Birds. But it cost around 160 per bird. Out side 3 small hotels are there. If you tell before they will prepare the food for afternoon and night. There country chicken cost around 400/- per KG with cooking.
You can buy ingredients in the nearby city of Madannapalle (get there by auto rickshaw) and ask for Devdas at Hotel Horsley, the very little place next to the resort, to cook it for your. It doesn't cost much, but it tastes like heaven. He is an excellent cook.
Bans The hotel(3 Star Hotel) with Accommodation,Dining & Water Park. contact cell:09704771333 website:www.bansc.in
AP Tourism's Punnami resort has a bar. Chilled beer is available. Brandy and whiskey too.
You also can stay in AP forest Guest houses there in horsley hills...for that contact forest ranger office at Madanapalle before going to Horsley Hills. It's better than and cheaper than Punnami Resorts.
There are a few lodges and hotels in Madanapalle.
Go to amazing Bangalore, if you need the big city for a while... great shopping, dining and disco-ing there. It's less than a 3 hour ride, and you an get cheap and nice accommodation there near majestic bus station.
There is a bus from Madannapalle to the beautiful temple in Tirupati. The bus goes through Arogyavaram, a little village in which lies the old tuberculosis sanatorium. Very beautiful place, but it is still a medical center, so you will have to contact the center if you wish to explore the area.
From Bangalore you can catch a train to most parts of southern India.Nice way to travel around in the south.
About ½ hour away from Horsley Hills lies Madannapalle.. You can do some shopping there, buy a Salwar kameez or sari. There is a nice little super market there, several Internet places and lots of small shops with dozens of stuff.