Lakes / California / San Diego County / Halfhill Lake
Halfhill Lake, California
91 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
33.09 degrees N, 116.11 degrees W - San Diego 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 Halfhill Lake Stacks Up
- Larger than 53% of the 1,147 lakes counted in California.
- About 67 miles from San Diego, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Salton Sea | Imperial | 23 mi | 233,096 acres |
| Big Laguna Lake | San Diego | 25 mi | 29 acres |
| Lake Cuyamaca | San Diego | 28 mi | 223 acres |
| Lake Cuyamaca | San Diego | 28 mi | 102 acres |
| Ramer Lake | Imperial | 34 mi | 176 acres |
| Ramer Lake | Imperial | 35 mi | 83 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Halfhill Lake
How Big Is Halfhill Lake?
Halfhill Lake covers 91 acres in San Diego County, California.
What Is the Largest Lake in San Diego County?
Lake Henshaw is the largest lake in San Diego County, at 1,754 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 37705695). Verified October 30, 2026.