Lakes / California / Madera County / Mammoth Pool Reservoir
Mammoth Pool Reservoir, California
1,056 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
37.35 degrees N, 119.31 degrees W - Madera 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 Mammoth Pool Reservoir Stacks Up
- Larger than 90% of the 1,147 lakes counted in California.
- About 50 miles from Fresno, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Dam Six Lake | Madera | 9.4 mi | 25 acres |
| Huntington Lake | Fresno | 9.8 mi | 1,425 acres |
| Chilkoot Lake | Madera | 10 mi | 55 acres |
| Bass Lake | Madera | 13 mi | 1,002 acres |
| Redinger Lake | Fresno | 15 mi | 453 acres |
| Lillian Lake | Madera | 15 mi | 35 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Mammoth Pool Reservoir
How Big Is Mammoth Pool Reservoir?
Mammoth Pool Reservoir covers 1,056 acres in Madera County, California.
What Is the Largest Lake in Madera County?
Millerton Lake is the largest lake in Madera County, at 3,313 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 77252937). Verified October 30, 2026.