Lakes / Indiana / Marion County / Eagle Creek Reservoir
Eagle Creek Reservoir, Indiana
1,268.23 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Indiana
39.85 degrees N, 86.31 degrees W - Marion 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 Eagle Creek Reservoir Stacks Up
- Larger than 96% of the 425 lakes counted in Indiana.
- About 10 miles from Indianapolis, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Woodland | Hamilton | 13 mi | 47.83 acres |
| Wurster Lake | Boone | 15 mi | 33.08 acres |
| Indian Lake | Marion | 17 mi | 60.77 acres |
| Geist Reservoir | Marion | 19 mi | 1,863.74 acres |
| Morse Reservoir | Hamilton | 23 mi | 1,440.16 acres |
| Whippoorwill Lake | Morgan | 23 mi | 28.67 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Eagle Creek Reservoir
How Big Is Eagle Creek Reservoir?
Eagle Creek Reservoir covers 1,268.23 acres in Marion County, Indiana.
What Is the Largest Lake in Marion County?
Geist Reservoir is the largest lake in Marion County, at 1,863.74 acres.
Largest Lakes in Indiana
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Monroe Lake | Monroe | 11,112.45 acres | - |
| 2 | Patoka Lake | Orange | 9,120.83 acres | - |
| 3 | Brookville Lake | Franklin | 4,364.22 acres | - |
| 4 | Lake Wawasee | Kosciusko | 3,426.28 acres | - |
| 5 | Broad Pond | Gibson | 2,941.52 acres | - |
All 425 Indiana lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID {bf8c1694-e2ed-4719-8b46-864da7ee6238}). Verified October 30, 2026.