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Greenbriar Karst

Ecoregion in Appalachian Mountains in WV, VA

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The Greenbrier Karst ecoregion is a rolling, agricultural lowland punctuated by isolated hills. Karst landscape is common, such as at Little Levels, and developed on limestone. Saucer-shaped sinkholes and underground solution channels occur; stream density therefore is low. Resultant subsurface drainage feeds the Greenbrier River, which has large amounts of year around, high-quality flow. Crestal elevations range from about 1,800 to 2,900 feet (549-884 m). Lower areas have an adequate growing season (up to 165 days) for pasture, small grain, and corn (Gorman, 1972). Valley bottoms are typically 150 to 650 feet (46-198 m) below hilltops. Where river incision occurs, however, local relief sometimes reaches 1,000 feet (305 m).

— EPA

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