The falls in March 2009
|Location||Warren County, Indiana|
|Total height||90 feet (27 m)|
Williamsport Falls is a waterfall near the center of the town of Williamsport, the county seat of Warren County, Indiana. With a height of 90 feet (27 m), it is the second highest waterfall in Indiana. Fremont Falls in Hanover is 108 feet (33 m) tall, making it 18 feet (5.5 m) taller than Williamsport Falls. 
Fall Creek flows through the town between the old part of the town (nearer the river) and the newer part (established when the railroad was constructed through the area). Near the point where Monroe Street crosses the railroad, the creek falls over a sandstone ledge. The actual height of the waterfall has changed somewhat over the years, as pieces of the ledge have sheared off and fallen to the bottom of the falls. Below the falls, sandstone used to be quarried and was used to build the foundations of many local buildings.
The water flow was sufficiently substantial in the 19th century to support a mill located below the falls; but the flow is less consistent now, and the falls are frequently quiet. This is due to the conversion of woodlands and grasslands to intensive mechanized farming and the diversion of natural water flows to impoundments used to provide reliable water supplies for irrigation and other purposes. A feasibility study on providing a steady flow of water was conducted, but the expense was determined to be too great.
- "Williamsport Falls". Purdue University Cooperative Extension Service. Retrieved 2010-08-28.
- Warren County Historical Society (2002). A History of Warren County, Indiana (175th Anniversary Edition). Williamsport, Indiana. p. 165.
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