Lakes / Illinois / St. Clair County / River King Mine Lake
River King Mine Lake, Illinois
28.53 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
38.45 degrees N, 89.87 degrees W - St. Clair County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How River King Mine Lake Stacks Up
- Larger than 8% of the 511 lakes counted in Illinois.
- About 61 miles from Carbondale, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Biebell Lake | St. Clair | 4.5 mi | 26.93 acres |
| Brush Lake | St. Clair | 8.8 mi | 37.31 acres |
| Calamus Lake | Washington | 11 mi | 31.88 acres |
| Round Pond | St. Clair | 13 mi | 51.65 acres |
| Grand Marais Lake | St. Clair | 15 mi | 83.23 acres |
| Baldwin Lake | Randolph | 16 mi | 1,874.85 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About River King Mine Lake
How Big Is River King Mine Lake?
River King Mine Lake covers 28.53 acres in St. Clair County, Illinois.
What Is the Largest Lake in St. Clair County?
Grand Marais Lake is the largest lake in St. Clair County, at 83.23 acres.
Largest Lakes in Illinois
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Carlyle Lake | Clinton | 22,796.77 acres | - |
| 2 | Mine Number 21 Reservoir | Franklin | 17,062.04 acres | - |
| 3 | Upper Peoria Lake | Woodford | 15,460.64 acres | - |
| 4 | Lake Shelbyville | Shelby | 10,235.1 acres | - |
| 5 | Crab Orchard Lake | Williamson | 7,292.57 acres | - |
All 511 Illinois lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 98649102). Verified October 30, 2026.