Lakes / California / Colusa County / East Park Reservoir
East Park Reservoir, California
1,334 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
39.34 degrees N, 122.51 degrees W - Colusa 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 East Park Reservoir Stacks Up
- Larger than 91% of the 1,147 lakes counted in California.
- The largest lake in Colusa County among those counted.
- About 76 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Upper Letts Lake | Colusa | 11 mi | 34 acres |
| Stony Gorge Reservoir | Glenn | 15 mi | 1,259 acres |
| Indian Valley Reservoir | Lake | 15 mi | 3,263 acres |
| Lake Pillsbury | Lake | 24 mi | 1,947 acres |
| Clear Lake | Lake | 26 mi | 39,651 acres |
| Borax Lake | Lake | 26 mi | 200 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{703FA5A2-6915-4B81-8477-2B7EC48A5F14}
CountyColusa
Lake TypeLake
Coordinates39.3424, -122.5058
Questions About East Park Reservoir
How Big Is East Park Reservoir?
East Park Reservoir covers 1,334 acres in Colusa County, California.
What Is the Largest Lake in Colusa County?
East Park Reservoir is the largest lake in Colusa County, at 1,334 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 {703FA5A2-6915-4B81-8477-2B7EC48A5F14}). Verified October 30, 2026.