Muddy Creek Falls in Garrett County, is the state's highest free-falling waterfall. The height of the falls is listed by various sources as somewhere between 54 and 63 feet. Muddy Creek Falls has developed in the Pottsville formation, which consists mainly of cross-bedded sandstones and more easily eroded siltstones and shales. These rocks date to the Pennsylvanian Period and are about 300 million years old.
Muddy Creek Falls and nearby Swallow Falls are part of Swallow Falls State Park. This park is well known for its scenic and wild beauty.
For more information follow these links to Swallow
Falls State Park, and MGS' FactSheet 9: Maryland's
Five Highest Waterfalls and Mountains.