Upper Mash Rapids is a stretch of rapids in Nicholas County, West Virginia, in the Central Appalachians region. It lies about 6.2 miles north of Ansted and roughly 89.6 miles northwest of Roanoke as the crow flies.
The Central Appalachians are a high, rugged plateau of sandstone and shale with mixed oak, hemlock and northern hardwood forest and a cool, wet climate. Streams drop steeply through gorges and hollows over sandstone ledges.
There are 6 recorded rapids in Nicholas County. Lower Mash Rapids, is under a mile away. Heaven Help You Rapids, is about 1.1 miles away. Pure Screaming Hell Rapids, is about 1.8 miles away.
Upper Mash Rapids is located at 38.2198° N, 81.0590° W. The listing is based on the USGS Geographic Names Information System, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The position was verified on aerial imagery. Details on trails, parking and access have not been documented for this rapid yet.