The Ha-Iltzuk Icefield is an icefield in the central Pacific Ranges of the Coast Mountains in British Columbia, Canada. An ice field (also spelled icefield) is an area less than 50000 km² (19305 mile²) of Ice often found in the colder climates and higher altitudes The Pacific Ranges are the southernmost subdivision of the Coast Mountains portion of the Pacific Cordillera. The Coast Mountains are a Mountain range of the Pacific Cordillera, running along the north western shore of the North American continent extending south British Columbia (ˌbrɪtɨʃ kəˈlʌmbiə ( BC) ( (la Colombie-Britannique C Country to "Dominion of Canada" or "Canadian Federation" or anything else please read the Talk Page It is the largest icefield in the Coast Mountains south of the Alaska Panhandle, with an area of 3610 km². The Alaska Panhandle, sometimes referred to as Southeast Alaska, is the southeastern portion of the U [1] It is located on the west side of the Kliniklini River and the Waddington Range. The Waddington Range is a subrange of the Pacific Ranges of the Coast Mountains of British Columbia. The highest summit in the icefield is Mount Silverthrone, which is a mountain on the northeast edge of a circular, 20 km wide, deeply dissected caldera complex called the Silverthrone Caldera in the southern half of the icefield, which is named the Silverthrone Glacier and which flows west, joining the Klinaklini Glacier just above that glacier's terminus, where its outflow is the short but very large, and joins the Klinaklini River within a few kilometres. Mount Silverthrone, officially gazetted as Silverthrone Mountain, is a Mountain in Regional District of Mount Waddington British Columbia, located A caldera is a cauldron-like volcanic feature formed by the collapse of land following a volcanic eruption A complex volcano, also called a compound volcano is a Volcano with more than one feature. The Silverthrone Caldera is a potentially active Caldera complex in southwestern British Columbia, Canada, located over northwest of the city of The Klinaklini River is one of the major rivers of the Pacific Ranges section of the Coast Mountains in British Columbia. The Klinaklini Glacier constitutes the northern half of the icefield, and off its northwest edge a glacial tongue produces the head of the Machmell River. The Machmell River, also spelled Machmel River, is a River in the Pacific Ranges of the southern Coast Mountains in British Columbia The name Ha-Iltzuk Icefield doest not appear in government gazettes.