Lakes / Iowa / Delaware County / Backbone Lake
Backbone Lake, Iowa
101 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
42.61 degrees N, 91.55 degrees W - Delaware 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 Backbone Lake Stacks Up
- Larger than 53% of the 220 lakes counted in Iowa.
- About 44 miles from Cedar Rapids, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Quaker Mill Pond | Delaware | 7.4 mi | 105 acres |
| Hartwick Lake | Delaware | 16 mi | 506 acres |
| Lake Oelwein | Buchanan | 19 mi | 42 acres |
| Delwein Lake | Fayette | 19 mi | 52 acres |
| Volga Lake | Fayette | 23 mi | 130 acres |
| Wood Duck Slough | Clayton | 29 mi | 286 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Backbone Lake
How Big Is Backbone Lake?
Backbone Lake covers 101 acres in Delaware County, Iowa.
What Is the Largest Lake in Delaware County?
Hartwick Lake is the largest lake in Delaware County, at 506 acres.
Largest Lakes in Iowa
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Rathbun Lake | Appanoose | 13,869 acres | - |
| 2 | Lake Red Rock | Marion | 8,619 acres | - |
| 3 | Spirit Lake | Dickinson | 5,463 acres | - |
| 4 | Saylorville Lake | Polk | 5,428 acres | - |
| 5 | Clear Lake | Cerro Gordo | 3,632 acres | - |
All 220 Iowa lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 155588337). Verified October 30, 2026.