Lakes / California / Santa Clara County / Halls Valley Lake
Halls Valley Lake, California
36 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
37.35 degrees N, 121.72 degrees W - Santa Clara 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 Halls Valley Lake Stacks Up
- Larger than 20% of the 1,147 lakes counted in California.
- About 48 miles from San Francisco, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Calaveras Reservoir | Santa Clara | 10 mi | 1,186 acres |
| Calero Reservoir | Santa Clara | 12 mi | 191 acres |
| Guadalupe Reservoir | Santa Clara | 13 mi | 38 acres |
| Anderson Lake | Santa Clara | 13 mi | 569 acres |
| Almaden Reservoir | Santa Clara | 14 mi | 52 acres |
| Vasona Reservoir | Santa Clara | 15 mi | 52 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Halls Valley Lake
How Big Is Halls Valley Lake?
Halls Valley Lake covers 36 acres in Santa Clara County, California.
What Is the Largest Lake in Santa Clara County?
Calaveras Reservoir is the largest lake in Santa Clara County, at 1,186 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 26411117). Verified October 30, 2026.