Otter Creek Wilderness is 20,698 acres in size. The Otter Creek Wilderness lies in a bowl formed by Shavers Mountain and McGowan Mountain. Most of the streams flow north into Otter Creek. Vegetation consists of second-growth timber, rhododendron, and a variety of mosses and lichens. Elevations range from 1,800 feet at the mouth of Otter Creek to 3,900 feet on McGowan Mountain. Otter Creek Wilderness has 45 miles of trails, many of which follow old railroad grades, logging roads, or farm roads.