|Coralville Lake is a multiple use federal project managed by the U.S. Army Corps of Engineers. The lake area and dam provide the primary benefit of flood control for Iowa City, other areas downstream, and ultimately the Mississippi River to some extent. Secondary benefits include recreation, fish and wildlife management, forest and prairie management, and water quality improvement.
Coralville Lake offers many recreational opportunities from camping at one of almost 500 campsites around the lake, six reservable picnic shelters, two disc golf courses, four swimming beaches, five boat ramps,and a mountain bike trail.
Campsites are reservable by calling 1-877-444-6777 toll free, or online at www.Recreation.gov
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2850 Prairie Du Chien Rd NE
Iowa City, IA 52240
(319) 354-4466 fax
Monday - Friday: 7:30 a.m. - 4 p.m.
Monday - Friday: 8 a.m. - 4 p.m. (year round)
Saturdays, Sundays, & holidays: 10 a.m. - 5 p.m.(May through October only)
Dam Complex: April 15 - Oct 15
Sugar Bottom & Sandy Beach Campgrounds: May 1 - Sept 30
The Devonian Fossil Gorge is our star attraction. It was created by the flood of 1993. For the first time in the history of the dam, water overtopped the emergency spillway. When the waters receded the 375-million-year-old fossilized Devonian ocean floor was revealed.
Fifteen years later, the water went over the spillway again. It scoured out all the loose rock from the gorge along with portions of the sidewalk that was finished in 2001.
The gorge discovery points and interpretive panels have been updated and visitors can start their stroll from the fountain plaza area.