Lakes / California / Lassen County / Big Jack Lake
Big Jack Lake, California
222 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
40.80 degrees N, 120.99 degrees W - Lassen 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 Big Jack Lake Stacks Up
- Larger than 72% of the 1,147 lakes counted in California.
- About 156 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Twin Lakes | Lassen | 1.9 mi | 36 acres |
| Ashurst Lake | Lassen | 4.0 mi | 77 acres |
| Straylor Lake | Lassen | 5.0 mi | 107 acres |
| Cow Lake | Lassen | 5.9 mi | 27 acres |
| Gordon Lake | Lassen | 6.0 mi | 95 acres |
| Catfish Reservoir | Lassen | 6.3 mi | 26 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{5D8E94FC-0510-486B-9DBF-DD1048F8C18E}
CountyLassen
Lake TypeLake
Coordinates40.8035, -120.9884
Questions About Big Jack Lake
How Big Is Big Jack Lake?
Big Jack Lake covers 222 acres in Lassen County, California.
What Is the Largest Lake in Lassen County?
Honey Lake is the largest lake in Lassen County, at 59,917 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 {5D8E94FC-0510-486B-9DBF-DD1048F8C18E}). Verified October 30, 2026.