Start your day with a visit to the Karla Caves, one of the oldest Buddhist rock-cut cave shrines in India. Marvel at the intricate carvings and sculptures that date back to the 2nd century BC. Afternoon can be spent exploring the Bhaja Caves, another ancient Buddhist rock-cut cave complex situated in the hills of Bhaja. End your day with a sunset view at the Lion's Point, a scenic viewpoint that offers a panoramic view of the surrounding hills.
Take a trek to the Rajmachi Fort, a hill fort located in the Sahyadri mountain range. Enjoy the scenic views of the Western Ghats and the trek through dense forests. Afternoon can be spent exploring the Lohagad Fort, another historic fort located at a distance of 20 km from Lonavala. End your day with a visit to the Bushi Dam, a popular tourist spot that offers a serene view of the cascading waterfalls and the surrounding Sahyadri mountains.
If you have an extra day, you can consider visiting the Kune Falls, a magnificent waterfall that is only 15 minutes away from Lonavala. If you are interested in adventure activities, you can also try zip-lining or rock-climbing at the Della Adventure Park, which is about 30 minutes away from Lonavala.