Lakes / California / Mono County / Gem Lake
Gem Lake, California
243 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
37.75 degrees N, 119.15 degrees W - Mono 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 Gem Lake Stacks Up
- Larger than 73% of the 1,147 lakes counted in California.
- About 78 miles from Fresno, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Agnew Lake | Mono | 0.9 mi | 26 acres |
| Weber Lake | Mono | 1.5 mi | 28 acres |
| Waugh Lake | Mono | 2.2 mi | 179 acres |
| Silver Lake | Mono | 2.3 mi | 107 acres |
| Thousand Island Lake | Madera | 2.8 mi | 332 acres |
| Garnet Lake | Madera | 3.0 mi | 208 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Gem Lake
How Big Is Gem Lake?
Gem Lake covers 243 acres in Mono County, California.
What Is the Largest Lake in Mono County?
Mono Lake is the largest lake in Mono County, at 45,124 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 80458122). Verified October 30, 2026.