Orangeville Rise is the second largest
spring
Spring(s) may refer to:
Common uses
* Spring (season), a season of the year
* Spring (device), a mechanical device that stores energy
* Spring (hydrology), a natural source of water
* Spring (mathematics), a geometric surface in the shape of a ...
in the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
of
Indiana
Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th s ...
, in
Orange County
Orange County most commonly refers to:
*Orange County, California, part of the Los Angeles metropolitan area
Orange County may also refer to:
U.S. counties
*Orange County, Florida, containing Orlando
*Orange County, Indiana
*Orange County, New ...
near
Orangeville. It was designated a
National Natural Landmark
The National Natural Landmarks (NNL) Program recognizes and encourages the conservation of outstanding examples of the natural history of the United States. It is the only national natural areas program that identifies and recognizes the best ...
in June 1972.
It is owned and managed by
The Nature Conservancy
The Nature Conservancy (TNC) is a global environmental organization headquartered in Arlington, Virginia. it works via affiliates or branches in 79 countries and territories, as well as across every state in the US.
Founded in 1951, The Natu ...
and the
Indiana Karst Conservancy.
Geology
Contrary to popular belief, the spring is not a rise of the
Lost River which surfaces approximately south of Orangeville. Water emerging at Orangeville Rise comes from approximately of the highly
karst
Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ro ...
ified
Mitchell Plain
The Mitchell Plain is a karst area in Indiana of relatively low relief. The extensive underlying cave system developed in Mississippian age limestone bedrock. Surface drainage is rare due to most streams in the area disappearing into caves or join ...
to the northeast. The spring fluctuates wildly in response to drought and rain events, with storm discharge appearing less than 24 hours following an event.
See also
*
Lost River (Indiana)
The Lost River is a river that rises in Vernon Township, Washington County, Indiana, and discharges into the East Fork of the White River in Lost River Township, Martin County, Indiana. The river's unusual hydrology has led to two of its features ...
References
External links
The Nature Conservancy: Rise at OrangevilleRise at Orangeville National Park Service
Indiana Department of Natural Resources
National Natural Landmarks in Indiana
Geography of Orange County, Indiana
Protected areas established in 1972
Nature Conservancy preserves
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