Start your day with a serene morning at the Lonavala Lake. Enjoy the scenic view and take a stroll around the lake. You can rent a paddleboat and explore the lake's beauty. Afternoon, head to the Bhushi Dam, where you can enjoy the waterfall and the natural beauty of the area. You can take a dip in the cold water or have a picnic with your family. In the evening, you can visit the nearby Wax Museum, which has life-size wax statues of various Bollywood stars.
Start your day early and drive towards the Rajmachi Fort. The fort is situated on a hill and offers a panoramic view of the Sahyadri Mountains. Trekking to the fort is a popular activity, and the trail is challenging but worth it. You can expect to spend a few hours trekking and exploring the fort. In the afternoon, head to the Karla Caves, which are ancient Buddhist rock-cut caves. The caves are a great example of Indian rock-cut architecture and have intricate carvings and sculptures. In the evening, head back to Lonavala and end your day with a visit to the Lonavala Square Mall for some shopping and dining.
If you have more time, you can also consider visiting the Lohagad Fort, Tiger's Leap, and Kune Falls. You can also take a day trip to the nearby hill station of Khandala. To maximize your fun, try local street food like Vada Pav, Poha, and Bhel Puri. Lastly, make sure to carry comfortable shoes and plenty of water for the treks.