sentences:  The Lillooet Icecap is one of the largest of several large icefields in the Pacific Ranges which are the largest temperate-latitude glacial fields in the world.At its maximum extent including its glacial tongues it measures east to west and north to south; its central icefield area is approximately in diameter.The Lillooet Icecap is the source of several major rivers which radiate out from it in a wheel pattern.