Lakes / California / Lassen County / Cleghorn Reservoir
Cleghorn Reservoir, California
151 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
40.78 degrees N, 120.81 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 Cleghorn Reservoir Stacks Up
- Larger than 63% of the 1,147 lakes counted in California.
- About 156 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Little Cleghorn Reservoir | Lassen | 0.9 mi | 73 acres |
| Summit Lake | Lassen | 2.0 mi | 74 acres |
| Gordon Lake | Lassen | 4.1 mi | 95 acres |
| Heath Dam Reservoir | Lassen | 4.7 mi | 363 acres |
| Swanberger Reservoir | Lassen | 5.7 mi | 68 acres |
| Twin Lakes | Lassen | 7.9 mi | 36 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Cleghorn Reservoir
How Big Is Cleghorn Reservoir?
Cleghorn Reservoir covers 151 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 55111263). Verified October 30, 2026.