Lakes / California / Los Angeles County / Big Tujunga Reservoir
Big Tujunga Reservoir, California
89 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
34.30 degrees N, 118.18 degrees W - Los Angeles 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 Tujunga Reservoir Stacks Up
- Larger than 52% of the 1,147 lakes counted in California.
- About 17 miles from Los Angeles, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Hansen Flood Control Basin | Los Angeles | 12 mi | 33 acres |
| Pacoima Reservoir | Los Angeles | 12 mi | 61 acres |
| Cogswell Reservoir | Los Angeles | 12 mi | 145 acres |
| Silver Lake Reservoir | Los Angeles | 15 mi | 74 acres |
| Hollywood Reservoir | Los Angeles | 15 mi | 74 acres |
| Little Rock Reservoir | Los Angeles | 16 mi | 107 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Big Tujunga Reservoir
How Big Is Big Tujunga Reservoir?
Big Tujunga Reservoir covers 89 acres in Los Angeles County, California.
What Is the Largest Lake in Los Angeles County?
Castaic Lake is the largest lake in Los Angeles County, at 2,008 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 27691928). Verified October 30, 2026.