Green Valley State Park

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Green Valley State Park
Green Valley State Park (51480608498).jpg
View of Green Valley Lake
Map showing the location of Green Valley State Park
Map showing the location of Green Valley State Park
Location of Green Valley State Park in Iowa
LocationUnion, Iowa, United States
Coordinates41°6′9″N 94°23′11″W / 41.10250°N 94.38639°W / 41.10250; -94.38639Coordinates: 41°6′9″N 94°23′11″W / 41.10250°N 94.38639°W / 41.10250; -94.38639
Area990 acres (4.0 km2)
Elevation1,302 ft (397 m)[1]
Governing bodyIowa Department of Natural Resources
WebsiteGreen Valley State Park

Green Valley State Park is a state park in Union County, Iowa, in the United States. The park is composed of Green Valley Lake and land around it, approximately 3 miles (4.8 km) north of the town of Creston.[2]

Green Valley Lake is an artificial lake, one of a number of such lakes in southwest Iowa created after a special legislation appropriation in 1947.[3] The park was dedicated on September 20, 1953.


The area used to be filled with tallgrass prairie, but much of that was gone by the time the Iowa Department of Natural Resources (IDNR) bought the land in 1950.[4] Due to a drought in the 1930s, Summit Lake in Creston had no water in 1934 which led to Green Valley Lake being constructed in 1950.[2] The 24 feet (7.3 m) man-made lake was meant to be used for recreation and for the Southwestern Federal Power Cooperative. The recreation area and Green Valley Lake was dedicated as a state park on September 20, 1953.[2] The lake was renovated in 1974 with bluegills, crappies, channel catfish, and largemouth bass being added to it.[2] In the 1980s, a causeway was constructed over the northernmost part of Green Valley Lake to help improve the water's quality.[2] the IDNR started a departmental committee in 1994 to create a framework for all Iowa state parks, with Green Valley State Park being chosen as the first one to implement the changes. A 1994 plan by the Natural Resources Conservation Service, private individuals, and park visitors created nine separate areas for management to protect the state park as well as its lake.[4]


Green Valley State Park has nearly 10 miles of hiking trails that go through wetlands, woodlands, prairie remnants, and near Green Valley Lake. Fishing and boating are offered, including fishing on two piers that are accessible for people with disabilities. There are three cabins and a campground.[5] The flora and fauna include shrubs, wildflowers, muskrats, deer, beavers, and various birds. The state park is near the Mormon Trail.[2]


  1. ^ "Green Valley State Park". Geographic Names Information System. United States Geological Survey. April 30, 1979. Archived from the original on September 19, 2022. Retrieved February 27, 2011.
  2. ^ a b c d e f Wolf, Robert Charles (1991). Iowa's State Parks. Iowa State University Press. p. 104. ISBN 9780813818580.
  3. ^ Caskey, Denise (December 7, 2018). Green Valley State Park: a year in review Archived January 9, 2021, at the Wayback Machine, Creston News Advertiser
  4. ^ a b Yaffee, Steven Lewis; Phillips, Ali; Frentz, Irene C.; Hardy, Paul W.; Thorpe, Barbara; Maleki, Sussanne (1996). Ecosystem Management in the United States: An Assessment of Current Experience. Island Press. p. 149. ISBN 978-1-55963-502-8. Archived from the original on August 17, 2022. Retrieved August 17, 2022.
  5. ^ "Green Valley State Park". Iowa Department of Natural Resources. Archived from the original on August 17, 2022. Retrieved August 17, 2022.

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