Lakes / Alaska / North Slope County / Mapsorak Lagoon
Mapsorak Lagoon, Alaska
219 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
68.04 degrees N, 165.37 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 Mapsorak Lagoon Stacks Up
- Larger than 60% of the 2,450 lakes counted in Alaska.
- About 533 miles from Fairbanks, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Pusigrak Lagoon | Northwest Arctic | 2.3 mi | 209 acres |
| Seppings Lagoon | Northwest Arctic | 7.5 mi | 119 acres |
| Tasikpak Lagoon | Northwest Arctic | 9.4 mi | 853 acres |
| Pusaluk Lagoon | Northwest Arctic | 12 mi | 208 acres |
| Pumaknak Pond | North Slope | 13 mi | 38 acres |
| Tugak Lagoon | Northwest Arctic | 14 mi | 44 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Mapsorak Lagoon
How Big Is Mapsorak Lagoon?
Mapsorak Lagoon covers 219 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
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Iliamna Lake | Lake and Peninsula | 654,518 acres | - |
| 2 | Becharof Lake | Lake and Peninsula | 289,706 acres | - |
| 3 | Teshekpuk Lake | North Slope | 206,614 acres | - |
| 4 | Naknek Lake | Lake and Peninsula | 145,357 acres | - |
| 5 | Dall Lake | Bethel | 111,681 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 32737492). Verified October 30, 2026.