Lakes / Nevada / Washoe County / Granite Mountain Reservoir
Granite Mountain Reservoir, Nevada
45 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Nevada
40.82 degrees N, 119.54 degrees W - Washoe 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 Granite Mountain Reservoir Stacks Up
- Larger than 16% of the 203 lakes counted in Nevada.
- About 91 miles from Reno, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Fly Reservoir | Washoe | 11 mi | 74 acres |
| Iveson Reservoir | Washoe | 11 mi | 38 acres |
| Steer Lake | Washoe | 19 mi | 33 acres |
| Burnt Lake | Washoe | 19 mi | 417 acres |
| Dewey Parker Reservoir | Washoe | 20 mi | 26 acres |
| Garden Lake | Washoe | 21 mi | 194 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Granite Mountain Reservoir
How Big Is Granite Mountain Reservoir?
Granite Mountain Reservoir covers 45 acres in Washoe County, Nevada.
What Is the Largest Lake in Washoe County?
Pyramid Lake is the largest lake in Washoe County, at 108,982 acres.
Largest Lakes in Nevada
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Mead | Clark | 133,758 acres | - |
| 2 | Pyramid Lake | Washoe | 108,982 acres | - |
| 3 | Walker Lake | Mineral | 29,655 acres | - |
| 4 | Rye Patch Reservoir | Pershing | 11,474 acres | - |
| 5 | Lahontan Reservoir | Lyon | 9,999 acres | - |
All 203 Nevada 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 139520029). Verified October 30, 2026.