Mather Gorge is a river

gorge A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. Rivers have a natural tendency to cu ...

south and just downriver of Great Falls in the state of

Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...

bordering

Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...

. The Maryland land side of the gorge is Bear Island, part of the

Chesapeake and Ohio Canal National Historical Park The Chesapeake and Ohio Canal National Historical Park is located in the District of Columbia and the state of Maryland. The park was established in 1961 as a National Monument by President Dwight D. Eisenhower to preserve the neglected remains ...

, and the Virginia side is part of Great Falls Park. Both parks are

National Park Service The National Park Service (NPS) is an agency of the United States federal government within the U.S. Department of the Interior that manages all national parks, most national monuments, and other natural, historical, and recreational properti ...

sites. The gorge is named after Stephen Mather, the first director of the National Park Service. The gorge is cut by the

Potomac River The Potomac River () drains the Mid-Atlantic United States, flowing from the Potomac Highlands into Chesapeake Bay. It is long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map. Retrieved Augu ...

and is, for the most part, lined on both sides by

cliff In geography and geology, a cliff is an area of rock which has a general angle defined by the vertical, or nearly vertical. Cliffs are formed by the processes of weathering and erosion, with the effect of gravity. Cliffs are common on co ...

s. Towards the southern end of the gorge, the cliffs become tree-lined bluffs as the gorge widens out into the wider and larger Potomac Gorge. At Little Falls, the Potomac River crosses the

Fall Line A fall line (or fall zone) is the area where an upland region and a coastal plain meet and is typically prominent where rivers cross it, with resulting rapids or waterfalls. The uplands are relatively hard crystalline basement rock, and the coa ...

as it leaves the Appalachian Piedmont and enters the

Atlantic Coastal Plain The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe a ...

Hiking Hiking is a long, vigorous walk, usually on trails or footpaths in the countryside. Walking for pleasure developed in Europe during the eighteenth century.AMATO, JOSEPH A. "Mind over Foot: Romantic Walking and Rambling." In ''On Foot: A Histor ...

is a common activity with many trails along and near the gorge. On the Maryland side, in the C&O Canal National Historical Park, Section A of the

Billy Goat Trail The Billy Goat Trail is a hiking trail that follows a path between the C&O Canal and the Potomac River within the Chesapeake and Ohio Canal National Historical Park near the Great Falls in Montgomery County, Maryland. The trail has three sect ...

follows the gorge—from below Great Falls to above the Anglers Inn river put-in. The River Trail in Great Falls Park follows the gorge on the Virginia side. It is also a popular

rock climbing Rock climbing is a sport in which participants climb up, across, or down natural rock formations. The goal is to reach the summit of a formation or the endpoint of a usually pre-defined route without falling. Rock climbing is a physically a ...

attraction as the cliff heights and terrain lend themselves well to top rope climbing. Generally, most of the rock climbing occurs on the vertical cliffs of the Virginia side of the gorge, below the Observation Decks and above the 90 degree river bend.

Whitewater kayaking Whitewater kayaking is an adventure sport where a river is navigated in a decked kayak. Whitewater kayaking includes several styles. River running; where the paddler follows a river and paddles rapids as they travel. Creeking usually involving s ...

and

canoeing Canoeing is an activity which involves paddling a canoe with a single-bladed paddle. Common meanings of the term are limited to when the canoeing is the central purpose of the activity. Broader meanings include when it is combined with other act ...

is also very popular within the gorge. From Great Falls to the Difficult Run Rapids (Maryland Chute, Virginia Chute, and Center Chute), the gorge contains Class I to Class VI

whitewater rapids Whitewater forms in a rapid context, in particular, when a river's gradient changes enough to generate so much turbulence that air is trapped within the water. This forms an unstable current that froths, making the water appear opaque and w ...

External links

Mather Gorge
a
AmericanWhitewater.org
{{coord, 38.988102, -77.246418, region:US-MD_type:landmark_scale:2000_source:Wikimapia, display=title Potomac River Canyons and gorges of Maryland Canyons and gorges of Virginia Landforms of Fairfax County, Virginia Landforms of Montgomery County, Maryland