North Western Frontire of Pakistan (NWFP) was the former name of Khayber-Pakhtoon-Khuwah. The mighty river Indus that starts from Himalayas and flows down through Pakistan up to the Ariban Sea is natural boarder of KPK with the Punjab province. There are glaciers and unique variety of Trout fish in the Swat area. Running down from these mountains are rivers and streams to the plains to make the land rich and fertile for all types of agriculture.