Alpine fellfield, on windswept rocky ridges and summits above treeline. The Southern Boreal Forest is south of the treeline. Above the treeline at approximately is alpine tundra. The cold windswept slopes above the treeline are covered with areas of fellfield. Closer to the treeline, the conifers give way to Andean scrublands of deciduous "Nothofagus". Other species live in upland forest, or even under tussock grasses above the treeline. The province's northeast corner bordering Hudson Bay is above the treeline and is considered tundra. Substantial mountain areas above the treeline would eventually be wooded. Its altitudinal range is and it is also present above the treeline. In Canada, its range reaches the Arctic treeline and the southern tip of Hudson Bay. Of these, 728 (23.6%) are in the treeline ecotone. The Ansel Adams wilderness contains substantial area above treeline, at approximately . It is located at the northern treeline leafyes Quebec. There is a small part of the summit area which sits above treeline. It is recommended that hikers use these sites, as camping above treeline is prohibited.