Lakes / California / Nevada County / Boca Reservoir
Boca Reservoir, California
964 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
39.41 degrees N, 120.10 degrees W - Nevada 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 Boca Reservoir Stacks Up
- Larger than 89% of the 1,147 lakes counted in California.
- The largest lake in Nevada County among those counted.
- About 94 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Prosser Creek Reservoir | Nevada | 3.6 mi | 704 acres |
| Stampede Reservoir | Sierra | 5.4 mi | 3,230 acres |
| Dry Lake | Nevada | 5.5 mi | 66 acres |
| Martis Creek Lake | Nevada | 6.0 mi | 62 acres |
| Donner Lake | Nevada | 11 mi | 834 acres |
| Independence Lake | Nevada | 12 mi | 690 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Boca Reservoir
How Big Is Boca Reservoir?
Boca Reservoir covers 964 acres in Nevada County, California.
What Is the Largest Lake in Nevada County?
Boca Reservoir is the largest lake in Nevada County, at 964 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 65188541). Verified October 30, 2026.