Lakes / Iowa / Buchanan County / Lake Oelwein
Lake Oelwein, Iowa
42 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Iowa
42.61 degrees N, 91.91 degrees W - Buchanan 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 Lake Oelwein Stacks Up
- Larger than 20% of the 220 lakes counted in Iowa.
- About 45 miles from Cedar Rapids, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Delwein Lake | Fayette | 2.9 mi | 52 acres |
| Backbone Lake | Delaware | 19 mi | 101 acres |
| Volga Lake | Fayette | 21 mi | 130 acres |
| Hanson Lake | Black Hawk | 22 mi | 35 acres |
| Quaker Mill Pond | Delaware | 23 mi | 105 acres |
| George Wyth Lake | Black Hawk | 25 mi | 80 acres |
Straight-line distance between lake centers.
Facts and Figures
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 130973921). Verified October 30, 2026.