CountiesFranklin County
IllinoisReservoirFranklin County
Rend Lake
Rend Lake covers about 18,900 acres of the Big Muddy River in Illinois. You will find it in Franklin County. Management is in the hands of USACE St. Louis District.
Coordinates38.1096, -88.9626
Surface area18,900 acres
Max depth35 ft
RiverBig Muddy River
Managed byUSACE St. Louis District
Swimming beaches on Rend Lake
No named swimming beach is mapped yet for this lake. Access is through agency day-use areas and boat ramps listed below. We add beach pages only when we can confirm a name, coordinates and an operating agency.
Rend Lake on the map
Lake center, swimming spots and access points.
Weather and water temperature
Air temperature and wind from Open-Meteo. Water temperature only when the lake has a public sensor.
Weather data by Open-Meteo
A closer look at Rend Lake
Its coordinates are 38.1096, -88.9626. It lies at roughly 405 feet of elevation. Maximum depth is around 35 feet. Outflow feeds the Big Muddy River.
No public gauge reports the water level at Rend Lake, so this page shows no level chart. We would rather leave the figure out than publish an estimate that nobody measured. We check the public feeds daily, so this page will fill in if one appears.
Check the operating agency for advisories before any water contact, especially for blue-green algae in late summer. Swimming season in Illinois runs through the warm months, and day-use areas set their own opening dates. No public sensor reports water temperature at Rend Lake, so the panel shows air temperature and wind.
The closest lakes in this guide are Crab Orchard Lake (Illinois, 28 mi), Little Grassy Lake (Illinois, 34 mi) and Devils Kitchen Lake (Illinois, 34 mi). Illinois has 9 lakes on this site in total.
There is no beach on record at Rend Lake in the datasets this guide reads. The nearest mapped swimming spot is Carlyle Lake on Carlyle Lake, roughly 41 miles away. Many smaller lakes have no designated beach at all, only informal shoreline access.
Questions about Rend Lake
Is there a beach at Rend Lake?
No named swimming beach appears in the federal and state datasets this guide reads. Check the operating agency for day-use areas on the ground.
How big is Rend Lake?
About 18,900 acres. Maximum depth is around 35 feet.
What other lakes are near Rend Lake?
The closest in this guide is Crab Orchard Lake, about 28 miles away in Illinois.
Lakes near Rend Lake
Other lakes in this guide, ordered by distance.
Carlyle Lake
Fed by the Kaskaskia River, Carlyle Lake holds roughly 26,000 acres of water in Illinois. Its shoreline falls inside Clinton…
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Kentucky Lake
Kentucky Lake covers about 160,309 acres of the outflow = in Kentucky. TVA manages it.
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Lake Barkley
Lake Barkley is a reservoir of some 57,920 acres on the catchment =, in Kentucky. Management is in the hands of USACE Nashville…
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Lake Shelbyville
Lake Shelbyville is a 11,100-acre reservoir on the Kaskaskia River in Illinois. You will find it in Moultrie County. Management…
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Lake Wappapello
Fed by the St. Francis River, Lake Wappapello holds roughly 8,400 acres of water in Missouri. It lies in Butler County. It is…
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Lake Decatur
Lake Decatur is a 2,718-acre reservoir on the Sangamon River in Illinois. The lake is in Macon County. Management is in the hands…
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Sources
Every figure on this page comes from one of these public sources.