The travel both on land and in the sea of Cave Spring beach and snorkeling, but because of this national park. In the zone of influence of the southwest monsoon winds. Make-month period between July to September is the wettest waves, so for the safety of tourists. The tour will close the year. Emerald cave Trang island rope and ring the island during July 1 to September 30 of each year for tourism on the coast. Can travel as normal throughout the year.