Lakes / California / San Diego County / Olivenhain Reservoir
Olivenhain Reservoir, California
180 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
33.07 degrees N, 117.13 degrees W - San Diego 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 Olivenhain Reservoir Stacks Up
- Larger than 67% of the 1,147 lakes counted in California.
- About 25 miles from San Diego, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Hodges | San Diego | 1.9 mi | 618 acres |
| San Dieguito Reservoir | San Diego | 4.2 mi | 60 acres |
| Lake San Marcos | San Diego | 5.3 mi | 56 acres |
| Dixon Reservoir | San Diego | 7.9 mi | 63 acres |
| Lake Poway | San Diego | 8.6 mi | 60 acres |
| Lake Wohlford | San Diego | 11 mi | 203 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID61966b83-1351-4428-9bca-f4152835e657
CountySan Diego
Lake TypeLake
Coordinates33.0739, -117.1346
Questions About Olivenhain Reservoir
How Big Is Olivenhain Reservoir?
Olivenhain Reservoir covers 180 acres in San Diego County, California.
What Is the Largest Lake in San Diego County?
Lake Henshaw is the largest lake in San Diego County, at 1,754 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 61966b83-1351-4428-9bca-f4152835e657). Verified October 30, 2026.