Start your trip from Chennai and head to the UNESCO World Heritage site of Mahabalipuram. In the morning, explore the famous Shore Temple and the Pancha Rathas. In the afternoon, visit the Krishna's Butterball, a giant balancing rock, and the Mahabalipuram Beach. In the evening, walk around the city center and try some local seafood.
Drive down to the charming French-influenced city of Pondicherry. Spend the morning exploring the Sri Aurobindo Ashram and the Auroville Matrimandir. In the afternoon, visit the Paradise Beach and the Promenade Beach. In the evening, stroll around the colorful streets of the French Quarter and try some French cuisine.
On day three, make your way to Periyar National Park, a beautiful reserve home to tigers, elephants and other wildlife. Spend the morning on a guided nature walk or a bamboo rafting tour. In the afternoon, visit the Periyar Lake and take a boat ride. In the evening, unwind with an Ayurvedic massage or a yoga session.
On your last day, head to the picturesque hill station of Munnar, known for its tea plantations and scenic beauty. In the morning, visit the Kundala Dam and the Echo Point. In the afternoon, take a stroll in the Tea Museum and the Mattupetty Dam. In the evening, watch the sunset at the Top Station and enjoy a cup of local tea.
Don't miss out on the Athirapally Waterfalls, located 2 hours from Kochi. If you have more time, consider visiting the beautiful backwaters of Alleppey or Kumarakom. To maximize your fun, try some local activities like fishing, trekking, or a spice plantation tour. For dining, try the traditional Kerala Sadya, a vegetarian feast served on a banana leaf.