Jonathan Run Falls is a 30-foot waterfall on Jonathan Run in Fayette County, Pennsylvania, in the Central Appalachians region. It lies about 8.2 miles southeast of South Connellsville and roughly 45.7 miles southeast of Pittsburgh as the crow flies.
At 30 feet it is taller than the typical Pennsylvania waterfall of about 28 feet, ranking 54th of 133 with a recorded height. The tallest single drop is 18 feet. It falls in 2 drops.
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.
Fayette County holds 7 recorded waterfalls, and several are close by. Sugar Run Falls, 23 feet high, is under a mile away. Bear Run Falls, 20 feet high, is about 1.3 miles away. Ohiopyle Falls, 20 feet high, is about 2.4 miles away.
Jonathan Run Falls is located at 39.9023° N, 79.4917° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.