Hey, Sri Lanka has some hill stations and National parks in central province, and many beaches in South, east provinces. Some of the best suggestions are 1. Yala National Park
2. Nuwara Eliya, Ella (Hillstation). Must be explored by taking a train from Colombo to Nuwara Eliya.
3. Puna Ella waterfalls
4. Galle fort & Bentota
5. Sigiriya Mirissa, Arugam bay, and Alankuda are some beaches to explore
HI Sonali! If You want to Have a Great adventourous Tour in Sri Lanka, then Follow this itinerary!! 1. Drop down to Colombo Airport and reach Hikkaduwa ( Beautiful beach surfing area) via local bus/Cab. Rent a scooty there if going with friends else a Car. 2 Next Reach Mirissa and other adjacent beach areas . They all are interesting party areas. 3. If adventourous, then drive to Ella from here via a three-wheeler auto . Yes you read it correct!!. Trust me it will be way interesting to explore the mountainous ride of approx 180kms within 4-5hrs with great scenic views in between! 4. Reach Ella , the great mountain beauty and trek 2-3kms to Adam's peak for sunrise. The scenic view is marvellous and unbeatable. 5. From Ella , reach to Kandy via one of the best train journey in the world!(4-5hrs). The train journey is all within the mountains and must experience thing. ( Do ensure the tickets for train and they are very cheap..just $2 / person for 2nd class) 6. From Kandy , you can go back to Colombo or extend more towards north sri Lanka, if you have more time. Hope it helps you in planning! Happy Travel! And Explore the beautiful World!