Koh Pha Nganis an island in the Gulf of Thailand in South East Thailand. It is famous for its full moon party at Haad Rin Beach and as a backpackers destination. Ko Pha Ngan has two sister islands: the larger Ko Samui to the south and the smaller Ko Tao to the north.
Koh Pha Ngan is indeed a perfect and excellent getaway retreat for travellers and backpackers. Relaxing on quiet deserted beaches, snorkeling, diving are few of the many activities you can do while on the island. Other fun adventure activities include island hopping to the distinctive island of Ko Ma or go for a jungle trekking at the Than Sadet National Park. This place is full of Thai history and culture. If you even more adventurous, then embark on the nearby Ang Thong archipelago which comprises of more than 40 islands, all blessed with pristine beaches, natural caves and the tranquil Tha Laem Nai. 
Resorts in Koh Pha Ngan In total, Ko Pha Ngan has more than 250 resorts with price ranges anywhere from 80 baht a night beach hut without private toilet to expensive luxury air-conditioned accommodation with private swimming pool.
Area: about 168 km² Estimated perimeter: 50 km EST. (10hrs average walking time)
Province: Surat Thani
From mainland: about 55 km
From Koh Samui: about 15 km
From Koh Tao: about 35 km
Population: 11,846 (2004)
Main town: Thong Sala
Highest Point: Khao Ra, 630m asl.