In the morning, explore the historic Fort Kochi area, which is known for its Dutch, Portuguese, and British colonial architecture. Visit the St. Francis Church, the oldest European church in India, and the Chinese fishing nets which are a unique way of fishing. In the afternoon, visit Mattancherry Palace, also known as the Dutch Palace, and see its beautiful murals and exhibits. In the evening, watch a Kathakali dance performance, a traditional dance form of Kerala.
Spend a day exploring the backwaters of Alleppey, also known as the Venice of the East. Take a houseboat ride and enjoy the scenic beauty of the backwaters. You can also visit the Kumarakom Bird Sanctuary which is home to a variety of migratory birds. In the evening, savor some delicious seafood at one of the local restaurants.
Drive to Munnar early in the morning and visit the tea plantations which offer breathtaking views of the hills. Take a tour of the tea factory and learn about the tea-making process. In the afternoon, visit the Eravikulam National Park which is home to the endangered Nilgiri Tahr. In the evening, go for a walk in the town center and buy some local handicrafts.
Drive to Kovalam beach and spend a day relaxing on the beach. In the morning, visit the lighthouse which offers a panoramic view of the beach. You can also indulge in water sports like surfing and parasailing. In the afternoon, visit the Halcyon Castle which is a 200-year-old castle that has been converted into a hotel. In the evening, enjoy a beautiful sunset at the beach.
Other local attractions to consider are the Periyar Wildlife Sanctuary in Thekkady, the Athirappilly Waterfalls, and the Wayanad Wildlife Sanctuary. You can also take a side trip to the hill station of Vagamon or the beach town of Varkala. To maximize your fun, try some of the local cuisine like appam and stew or puttu and kadala curry. Don't forget to take some spices and tea back home as souvenirs.