Lakes / California / El Dorado County / Folsom Lake
Folsom Lake, El Dorado County, California
4,109 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
38.73 degrees N, 121.11 degrees W - El Dorado 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 Folsom Lake Stacks Up
- Larger than 97% of the 1,147 lakes counted in California.
- The largest lake in El Dorado County among those counted.
- About 23 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Folsom Lake | Placer | 2.4 mi | 6,840 acres |
| Bass Lake | El Dorado | 5.6 mi | 46 acres |
| Cameron Park Lake | El Dorado | 6.7 mi | 37 acres |
| Lake Natoma | Sacramento | 6.9 mi | 525 acres |
| Indian Creek Reservoir | El Dorado | 10 mi | 34 acres |
| Mather Lake | Sacramento | 14 mi | 67 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Folsom Lake
How Big Is Folsom Lake?
Folsom Lake covers 4,109 acres in El Dorado County, California.
What Is the Largest Lake in El Dorado County?
Folsom Lake is the largest lake in El Dorado County, at 4,109 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 63434918). Verified October 30, 2026.