Mount Gray is a 2,886-metre mountain summit located on the western border of Kootenay National Park in the Vermilion Range, which is a sub-range of the Canadian Rockies in British Columbia, Canada. Its nearest higher peak is Tumbling Peak, 3.1 km to the southeast. The mountain is part of what is known as the Rockwall which is an escarpment of the …Mount Gray is a 2,886-metre mountain summit located on the western border of Kootenay National Park in the Vermilion Range, which is a sub-range of the Canadian Rockies in British Columbia, Canada. Its nearest higher peak is Tumbling Peak, 3.1 km to the southeast. The mountain is part of what is known as the Rockwall which is an escarpment of the Vermilion Range. The Rockwall Trail is a scenic 55 kilometre traverse of alpine passes, subalpine meadows, hanging glaciers, and limestone cliffs, in some places in excess of 900 m above the trail.