Lakes / California / Modoc County / Upper Cummings Reservoir
Upper Cummings Reservoir, California
100 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
41.55 degrees N, 120.64 degrees W - Modoc 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 Upper Cummings Reservoir Stacks Up
- Larger than 55% of the 1,147 lakes counted in California.
- About 210 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lower Cummings Reservoir | Modoc | 2.0 mi | 42 acres |
| Kelley Reservoir | Modoc | 2.8 mi | 312 acres |
| Big Sage Reservoir | Modoc | 4.1 mi | 5,618 acres |
| Essex Reservoir | Modoc | 5.4 mi | 204 acres |
| Emigrant Spring Reservoir | Modoc | 5.8 mi | 85 acres |
| Wood Flat Reservoir | Modoc | 7.2 mi | 97 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Upper Cummings Reservoir
How Big Is Upper Cummings Reservoir?
Upper Cummings Reservoir covers 100 acres in Modoc County, California.
What Is the Largest Lake in Modoc County?
Goose Lake is the largest lake in Modoc County, at 93,048 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 84810692). Verified October 30, 2026.