it is worth it once if you have a few dollars and time to spare. On the road to Sigriya from Dambulla look out on the left for the board saying 'entrance for foreigners only'. It will take you Entrance cost is USD 30. The climb is very much doable by even a not so fit person. Pick up the site map with numbered landmarks from the information centre near the ticket booth and read the numbered plaques at the site; you will not need a guide. The top is literally ruins or hardly any ruins left, but the view is breathtaking. A great photo opportunity. Be prepared for the heat and queues. To beat both, it is better to do in the early part of the morning. Carry enough water. The museum is like a children's school project, a waste of time. Public conveniences are few and poorly maintained.