Holliway Mountain is an 8000+ ft granite summit located in Okanogan County in Washington state. It is part of the Okanogan Range which is a sub-range of the North Cascades Range. Holliway Mountain is situated near the headwaters of the Methow River on land administered by Okanogan National Forest. The nearest higher peak is Golden Horn, to the south. Azurite Peak is located three miles to the north-northwest.