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Lakes / Alaska / North Slope County / Portage Lake

Portage Lake, North Slope County, Alaska

44 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Alaska

AnchorageFairbanksPortage LakeNorth Slope Co.

68.34 degrees N, 146.46 degrees W - North Slope 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 Portage Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Timber LakeNorth Slope2.4 mi165 acres
Grayling LakeYukon-Koyukuk26 mi43 acres
Noah LakeYukon-Koyukuk27 mi49 acres
Found Fish LakeYukon-Koyukuk27 mi41 acres
Seefar GlacierYukon-Koyukuk28 mi66 acres
Loon LakeYukon-Koyukuk28 mi144 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID82393615
Lake TypeLake
Coordinates68.3414, -146.4591

Questions About Portage Lake

How Big Is Portage Lake?

Portage Lake covers 44 acres in North Slope County, Alaska.

What Is the Largest Lake in North Slope County?

Teshekpuk Lake is the largest lake in North Slope County, at 206,614 acres.

Largest Lakes in Alaska

#LakeCountySurface AreaMax Depth
1Iliamna LakeLake and Peninsula654,518 acres-
2Becharof LakeLake and Peninsula289,706 acres-
3Teshekpuk LakeNorth Slope206,614 acres-
4Naknek LakeLake and Peninsula145,357 acres-
5Dall LakeBethel111,681 acres-

All 2,450 Alaska 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 82393615). Verified October 30, 2026.