Lakes / California / Shasta County / Upper Twin Lake
Upper Twin Lake, California
41 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
40.50 degrees N, 121.37 degrees W - Shasta 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 Twin Lake Stacks Up
- Larger than 24% of the 1,147 lakes counted in California.
- About 133 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lower Twin Lake | Shasta | 0.5 mi | 53 acres |
| Rainbow Lake | Shasta | 1.4 mi | 26 acres |
| Silver Lake | Shasta | 2.0 mi | 30 acres |
| Horseshoe Lake | Shasta | 2.7 mi | 117 acres |
| Snag Lake | Lassen | 3.4 mi | 514 acres |
| Juniper Lake | Lassen | 4.7 mi | 598 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Upper Twin Lake
How Big Is Upper Twin Lake?
Upper Twin Lake covers 41 acres in Shasta County, California.
What Is the Largest Lake in Shasta County?
Shasta Lake is the largest lake in Shasta County, at 12,416 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 83410848). Verified October 30, 2026.