Lakes / Nevada / Humboldt County / Little Onion Reservoir
Little Onion Reservoir, Nevada
36 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Nevada
41.68 degrees N, 118.76 degrees W - Humboldt 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 Little Onion Reservoir Stacks Up
- Larger than 11% of the 203 lakes counted in Nevada.
- About 159 miles from Reno, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Onion Valley Reservoir | Humboldt | 1.1 mi | 64 acres |
| Knott Creek Reservoir | Humboldt | 2.2 mi | 90 acres |
| Gridley Lake | Humboldt | 6.9 mi | 262 acres |
| Dry Lake | Humboldt | 14 mi | 31 acres |
| Onion Lake | Humboldt | 15 mi | 35 acres |
| Continental Lake | Humboldt | 15 mi | 1,427 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Little Onion Reservoir
How Big Is Little Onion Reservoir?
Little Onion Reservoir covers 36 acres in Humboldt County, Nevada.
What Is the Largest Lake in Humboldt County?
Chimney Reservoir is the largest lake in Humboldt County, at 2,190 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 153058273). Verified October 30, 2026.