Lakes / California / Trinity County / Trinity Lake
Trinity Lake, California
15,587 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
40.90 degrees N, 122.73 degrees W - Trinity 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 Trinity Lake Stacks Up
- Larger than 98% of the 1,147 lakes counted in California.
- The largest lake in Trinity County among those counted.
- About 173 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Granite Lake | Trinity | 7.6 mi | 25 acres |
| Lewiston Lake | Trinity | 11 mi | 674 acres |
| Caribou Lake | Siskiyou | 15 mi | 71 acres |
| Sapphire Lake | Trinity | 16 mi | 48 acres |
| Stoddard Lake | Trinity | 17 mi | 30 acres |
| Grizzly Lake | Trinity | 18 mi | 42 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Trinity Lake
How Big Is Trinity Lake?
Trinity Lake covers 15,587 acres in Trinity County, California.
What Is the Largest Lake in Trinity County?
Trinity Lake is the largest lake in Trinity County, at 15,587 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 111585907). Verified October 30, 2026.