sentences:  The lake is over 11 kilometres (7 miles) long with several protected bays and has an area of 9.88 km².Nimpo Lake is often referred to as "The Floatplane Capital of British Columbia" and, because it has so many floatplanes landing and taking off, each of the bays or 'arms' have a distinctive name.North Arm is at the extreme northernmost end of the Main Arm of Nimpo Lake while the South Arm is at the other end and the Short Arm is on the eastern side of the lake where a floatplane base is located.