Start early to beat city traffic and maximize hill time — drive northwest via NH716 / NH71 direction Tirupati → Madanapalle then climb the short ghat road into Horsley Hills. The road is mostly highway until the final scenic approach to the hills.
Stop for a reliable South Indian breakfast (idli/dosa, filter coffee) at a known chain or local tiffin hotel in the Tirupati/Madanapalle corridor; most outlets open from ~6:30am and make for a quick, fresh meal before the hill drive.
Continue the scenic inland drive through small towns and then up the short twisty approach road to the Horsley Hills plateau; this stretch offers gradual elevation and verdant views as you enter the hill area.
Visit the main viewpoints for sweeping valley panoramas — excellent for sunrise/morning light photos and to soak the fresh hill air; viewpoint access is open in daylight hours, usually from early morning until sunset.
Stroll the short nature trails and visit the small deer park/children’s park in the Horsley Hills area for a relaxed, green experience; trails are easy and suitable for a gentle couple's walk and photos.
Take an easy 30–60 minute trek on a marked trail to another lookout/observation rock for a different perspective of the hills — a light, rewarding walk with minimal gear needed.
Enjoy a relaxed Andhra/Tamil meal at a popular local cafe or dhaba near the plateau — choose a thali or rice-plate for a hearty midday meal; many eateries serve hot lunches from ~12:00–3:00pm.
Spend time taking photos, sampling local sweets/snacks and (if available) a short pony/horse ride or exploring small shops — many hill stations have vendors and simple activities operating in the afternoon until sunset.
Relax with tea/coffee and pakora or cakes at a hillside cafe while watching the valley — cafes typically operate till early evening and this is a good rest before the drive back.
Begin the return drive on the same route to ensure timely arrival in Chennai by night; the highway sections let you make good time, but allow for a short break en route if needed.
Stop for dinner after reaching Chennai outskirts; choose Anjappar if you want Chettinad/non-veg or Murugan Idli Shop for a lighter, classic South Indian meal — most popular outlets are open late and are convenient for a quick, satisfying dinner.