Has Ral Leh is one of the most beautiful beach settings in Thailand. Nested between the limestone and a palm grove overlooking the Andaman Sea is that the fungus as mountains lining the horizon. There are a variety of activities other than sitting on the beach to do like hiking, climbing, and sea kayaking. There are also some interesting caves such as Tham Phra Nung Nai (Little Princes exploring caves) to.
http://www.youtube.com/watch?v=G7iBVNcpSA0&hl=en