Lakes / California / Merced County / San Luis Holding Reservoir
San Luis Holding Reservoir, California
66 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
37.14 degrees N, 120.91 degrees W - Merced 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 San Luis Holding Reservoir Stacks Up
- Larger than 42% of the 1,147 lakes counted in California.
- About 68 miles from Fresno, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Los Banos Creek | Merced | 4.6 mi | 46 acres |
| Upper Ruth Lake | Merced | 5.6 mi | 29 acres |
| Big Buttonwillow Lake | Merced | 6.5 mi | 68 acres |
| Little Buttonwillow Lake | Merced | 6.5 mi | 66 acres |
| Los Banos Creek | Merced | 6.5 mi | 40 acres |
| Mud Slough | Merced | 7.2 mi | 63 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About San Luis Holding Reservoir
How Big Is San Luis Holding Reservoir?
San Luis Holding Reservoir covers 66 acres in Merced County, California.
What Is the Largest Lake in Merced County?
San Luis Reservoir is the largest lake in Merced County, at 12,831 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 102756505). Verified October 30, 2026.