Day 1 Dhaka To Bandarban by BUS. Early in the morning, we will reach the Bandarban and eat breakfast at the hotel and ride in a bus Then we will go to Thanchi which will take 5 hours. Then from Thanci, We will take engine boat to Nafa-khum then we will walk around 3 hours & reach the Nafa-Khum water fall. Nafa-khum - to non nasal sound people (Bengali: নাফাখুম) is a waterfall in Bangladesh on the Remaikree River, a tributory of Regrekhyong/Sangu river. It is among the largest waterfalls in the country by volume of water falling.[1] The wild hilly Remaikree river suddenly falls down here about 25–30 feet. The word Ngafa in Native Marma language means Baghair fish/ Dwarf goonch and "Khong" means "Ground". A special type of flying fish, whose local name is nating, is found at the bottom in a small cave as they swim against the stream but cannot jump over the height of the fall.