Lakes / Nevada / Lyon County / Lahontan Reservoir
Lahontan Reservoir, Nevada
9,999 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Nevada
39.40 degrees N, 119.13 degrees W - Lyon 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 Lahontan Reservoir Stacks Up
- Ranks #5 for surface area among the Nevada lakes counted so far - 9,999 acres.
- The largest lake in Lyon County among those counted.
- About 38 miles from Reno, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Sheckler Reservoir | Churchill | 12 mi | 2,768 acres |
| Mud Lake | Churchill | 15 mi | 39 acres |
| Fernley Reservoir Number One | Lyon | 15 mi | 181 acres |
| Fernley Reservoir Number Three | Lyon | 16 mi | 63 acres |
| Soda Lake | Churchill | 16 mi | 359 acres |
| Fort Churchill Cooling Ponds | Lyon | 19 mi | 167 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lahontan Reservoir
How Big Is Lahontan Reservoir?
Lahontan Reservoir covers 9,999 acres in Lyon County, Nevada.
What Is the Largest Lake in Lyon County?
Lahontan Reservoir is the largest lake in Lyon County, at 9,999 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 136854961). Verified October 30, 2026.