Lakes / California / Riverside County / Lake Hemet
Lake Hemet, California
341 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
33.67 degrees N, 116.69 degrees W - Riverside 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 Hemet Stacks Up
- Larger than 77% of the 1,147 lakes counted in California.
- About 71 miles from San Diego, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Riverside | Riverside | 12 mi | 59 acres |
| Diamond Valley Lake | Riverside | 19 mi | 4,918 acres |
| Vail Lake | Riverside | 20 mi | 470 acres |
| Skinner Reservoir | Riverside | 21 mi | 1,038 acres |
| Lake Cahuilla | Riverside | 24 mi | 134 acres |
| Ski Land Lake | Riverside | 29 mi | 38 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Hemet
How Big Is Lake Hemet?
Lake Hemet covers 341 acres in Riverside County, California.
What Is the Largest Lake in Riverside County?
Diamond Valley Lake is the largest lake in Riverside County, at 4,918 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 41209407). Verified October 30, 2026.