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Lakes / California / San Francisco County

Lakes in San Francisco County, California

3 lakes counted in San Francisco County - the largest is Lake Merced at 208 acres.

3
Lakes Counted
208 acres
Largest - Lake Merced

San Francisco County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.

All Counted Lakes

#LakeCountySurface AreaMax Depth
1Lake MercedSan Francisco208 acres-
2Lake MercedSan Francisco92 acres-
3Sunset ReservoirSan Francisco25 acres-
Find a Lake in San Francisco CountyLargest Lakes
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.