Big Raven Plateau

The Big Raven Plateau is an intermontane plateau of volcanic origin in northwestern British Columbia, Canada. It lies on the Tahltan Highland in Cassiar Land District and is roughly oval in shape. The eastern side of the plateau is heavily eroded whereas the western and northern sides are moderately and slightly eroded, respectively. Unlike the surrounding valleys, the Big Raven Plateau is relatively barren of vegetation due to its alpine climate. The lower slopes of the plateau contain a mixture of white spruce, trembling aspen, lodgepole pine and balsam poplar. Draining the Big Raven Plateau are several small streams that flow into the surrounding valleys; these valleys contain the Klastline River and the Mess, Kakiddi, Chakime and Walkout creeks. The Big Raven Plateau measures about 35 by 20 kilometres (22 by 12 miles). Its dominant feature is Mount Edziza, an ice-covered volcanic massif reaching an elevation of 2,786 metres (9, 140 feet) in the middle of the plateau. The Desolation Lava Field at the northern end of the plateau contains several small cinder cones, 10 of which are named. At the southern end of the plateau is the Snowshoe Lava Field; it contains only five named volcanic features. Surrounding the plateau is Mount Edziza Provincial Park, one of the largest provincial parks in British Columbia. Access is mainly by aircraft or by a network of horse trails from surr

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