Start early from Dharmapuri to reach Hogenakkal with less crowd and cooler weather; drive time ~1h depending on traffic. Carry water, sunscreen and a change of clothes if you plan to bathe or take coracle rides.
Classic South Indian breakfast (idli, dosa, filter coffee). Saravana Bhavan usually opens ~6:30am; local breakfast stalls also open early and are quick for the road.
See the dramatic Hogenakkal Falls on the Kaveri; take a coracle boat ride and walk along the rocky cataracts. Coracle rides typically operate ~9:00am–5:00pm; best enjoyed in morning for cooler temperatures.
Stroll river banks, try local fish fry or simple vegetarian plates at riverside stalls; keep an eye on personal belongings and local timings as vendors may vary seasonally.
Leave Hogenakkal and head to Yelagiri hill station (drive ~1.5–2h depending on route). Scenic countryside en route; plan for a mid-afternoon arrival and hotel check-in.
Punganoor Lake offers pedal-boat/row-boat options and a pleasant lakeside walk; boating usually runs ~9:00am–6:00pm and is ideal in late afternoon light.
Catch the sunset from a local viewpoint or the small observatory area in Yelagiri; short walks and gentle viewpoints make it easy after a day of travel.
Hearty South Indian or mixed menu in most hill-station hotels; good choice for relaxed dinner and early night. Many restaurants are open till ~9:30–10:00pm.
Simple South Indian breakfast at the hotel or try a local cafe for fresh bread, omelettes and filter coffee; many eateries open by 7:00–8:00am in Yelagiri.
Moderate hike to Swamimalai Hill (highest point in Yelagiri). The trail takes ~2–3 hours round trip from main town; offers panoramic views and good exercise.
Short visits to Pagoda Point and Lady's Seat for panoramic views of the plains and classic photo opportunities; best visited in morning–afternoon (sites generally open daylight hours).
Visit Shevaroy Temple for a short cultural stop or the small botanical garden for a relaxed walk—both are daylight-accessible and close to central Yercaud.
Arrive in Dharmapuri and have dinner at a trusted local restaurant or hotel to close the trip. Consider a light South Indian dinner if you have more travel left.