Lakes / Arkansas / Cross County / Rainbow Lake
Rainbow Lake, Arkansas
77 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Arkansas
35.20 degrees N, 90.60 degrees W - Cross 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 Rainbow Lake Stacks Up
- Larger than 57% of the 623 lakes counted in Arkansas.
- About 45 miles from Jonesboro, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Old River | Cross | 2.1 mi | 49 acres |
| Shaver Lake | Cross | 4.2 mi | 28 acres |
| Lake Dunn | Cross | 5.9 mi | 71 acres |
| Barnes Lake | Cross | 6.0 mi | 115 acres |
| Horseshoe Lake | St. Francis | 6.3 mi | 42 acres |
| Shell Lake | St. Francis | 7.4 mi | 89 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Rainbow Lake
How Big Is Rainbow Lake?
Rainbow Lake covers 77 acres in Cross County, Arkansas.
What Is the Largest Lake in Cross County?
Barnes Lake is the largest lake in Cross County, at 115 acres.
Largest Lakes in Arkansas
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Bull Shoals Lake | Marion | 44,979 acres | - |
| 2 | Lake Ouachita | Garland | 38,214 acres | - |
| 3 | Lake Dardanelle | Johnson | 34,067 acres | - |
| 4 | Greers Ferry Lake | Cleburne | 31,054 acres | - |
| 5 | Beaver Lake | Benton | 28,026 acres | - |
All 623 Arkansas 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 91244299). Verified October 30, 2026.