Lakes / California / Modoc County / Whitehorse Flat Reservoir
Whitehorse Flat Reservoir, Modoc County, California
1,465 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
41.30 degrees N, 121.43 degrees W - Modoc 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 Whitehorse Flat Reservoir Stacks Up
- Larger than 92% of the 1,147 lakes counted in California.
- About 188 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Mosquito Lake | Modoc | 1.7 mi | 108 acres |
| Whitehorse Flat Reservoir | Modoc | 1.8 mi | 469 acres |
| Barnum Flat Reservoir | Siskiyou | 2.7 mi | 391 acres |
| Little Egg Lake | Modoc | 9.2 mi | 61 acres |
| Taylor Reservoir | Modoc | 13 mi | 68 acres |
| Horr Pond | Shasta | 13 mi | 1,765 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{84457341-E96A-4FA1-A3EF-8BB003896AB1}
CountyModoc
Lake TypeLake
Coordinates41.3031, -121.4262
Questions About Whitehorse Flat Reservoir
How Big Is Whitehorse Flat Reservoir?
Whitehorse Flat Reservoir covers 1,465 acres in Modoc County, California.
What Is the Largest Lake in Modoc County?
Goose Lake is the largest lake in Modoc County, at 93,048 acres.
Largest Lakes in California
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Salton Sea | Imperial | 233,096 acres | - |
| 2 | Lake Tahoe | Placer | 122,975 acres | - |
| 3 | Goose Lake | Modoc | 93,048 acres | - |
| 4 | Honey Lake | Lassen | 59,917 acres | - |
| 5 | Mono Lake | Mono | 45,124 acres | - |
All 1,147 California 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 {84457341-E96A-4FA1-A3EF-8BB003896AB1}). Verified October 30, 2026.