Lakes / California / Ventura County / Lake Piru
Lake Piru, California
1,066 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
34.48 degrees N, 118.75 degrees W - Ventura 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 Lake Piru Stacks Up
- Larger than 90% of the 1,147 lakes counted in California.
- About 42 miles from Los Angeles, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Castaic Lagoon | Los Angeles | 8.3 mi | 165 acres |
| Elderberry Forebay | Los Angeles | 9.0 mi | 388 acres |
| Castaic Lake | Los Angeles | 9.4 mi | 2,008 acres |
| Pyramid Lake | Los Angeles | 12 mi | 1,177 acres |
| Dry Canyon Reservoir | Los Angeles | 13 mi | 46 acres |
| Wood Ranch Reservoir | Ventura | 17 mi | 217 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Piru
How Big Is Lake Piru?
Lake Piru covers 1,066 acres in Ventura County, California.
What Is the Largest Lake in Ventura County?
Lake Casitas is the largest lake in Ventura County, at 1,540 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 120025133). Verified October 30, 2026.