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Lakes / Colorado / Costilla County / Willow Creek Reservoir

Willow Creek Reservoir, Costilla County, Colorado

45 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Colorado

DenverGrand JunctionWillow Creek ReservoirCostilla Co.

37.27 degrees N, 105.38 degrees W - Costilla 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 Willow Creek Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Mountain Home ReservoirCostilla8.7 mi131 acres
Stabilization ReservoirCostilla10 mi41 acres
Smith ReservoirCostilla12 mi674 acres
Sanchez ReservoirCostilla12 mi763 acres
Forbes Park LakeCostilla16 mi45 acres
North LakeLas Animas18 mi61 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID136497533
CountyCostilla
Lake TypeLake
Coordinates37.2683, -105.3752

Questions About Willow Creek Reservoir

How Big Is Willow Creek Reservoir?

Willow Creek Reservoir covers 45 acres in Costilla County, Colorado.

What Is the Largest Lake in Costilla County?

Sanchez Reservoir is the largest lake in Costilla County, at 763 acres.

Largest Lakes in Colorado

#LakeCountySurface AreaMax Depth
1John Martin ReservoirBent11,686 acres-
2Blue Mesa ReservoirGunnison8,944 acres-
3Lake GranbyGrand7,075 acres-
4Lake MeredithCrowley5,539 acres-
5Adobe Creek ReservoirBent4,770 acres-

All 778 Colorado 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 136497533). Verified October 30, 2026.