Located about an hour from Kithala Resort, Sithulpawwa Buddhist Monastery is another free attraction you can enjoy during your vacation. This is one of the oldest temples in the country, and it also brings amazing views of the area. Sitting on a rocky outcrop, the monastery goes back to the 2nd century. Within the complex, there are hundreds of shelters and caves of varying sizes. The best months to visit are April, August, and December, but you should expect crowds during this time as these months coincide with school holidays in the country. Also, make sure to dress modestly, as this is a religious site.