Lakes / Indiana / Starke County / Hartz Lake
Hartz Lake, Indiana
27.5 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Indiana
41.18 degrees N, 86.50 degrees W - Starke 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 Hartz Lake Stacks Up
- Larger than 5% of the 425 lakes counted in Indiana.
- About 37 miles from South Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Langenbahn Lake | Starke | 0.8 mi | 43.87 acres |
| Lost Lake | Marshall | 4.1 mi | 49.53 acres |
| Lake Maxinkuckee | Marshall | 5.1 mi | 1,909.81 acres |
| Bruce Lake | Fulton | 7.2 mi | 247.1 acres |
| Lake Latonka Dam | Marshall | 9.5 mi | 88.04 acres |
| Eagle Lake | Starke | 9.5 mi | 31.83 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Hartz Lake
How Big Is Hartz Lake?
Hartz Lake covers 27.5 acres in Starke County, Indiana.
What Is the Largest Lake in Starke County?
Koontz Lake is the largest lake in Starke County, at 339.49 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 155352184). Verified October 30, 2026.