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Lakes / Colorado / Costilla County / Eastdale Reservoir Number 1

Eastdale Reservoir Number 1, Colorado

151 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Colorado

DenverGrand JunctionEastdale Reservoir Number 1Costilla Co.

37.05 degrees N, 105.61 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 Eastdale Reservoir Number 1 Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Stabilization ReservoirCostilla9.6 mi41 acres
Sanchez ReservoirCostilla11 mi763 acres
Twin LakesConejos12 mi65 acres
Cave Lake ReservoirConejos15 mi64 acres
Cove Lake ReservoirConejos16 mi476 acres
Willow Creek ReservoirCostilla20 mi45 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID120931250
CountyCostilla
Lake TypeLake
Coordinates37.0542, -105.6120

Questions About Eastdale Reservoir Number 1

How Big Is Eastdale Reservoir Number 1?

Eastdale Reservoir Number 1 covers 151 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 120931250). Verified October 30, 2026.