Lakes / Alaska / Anchorage County / Portage Lake
Portage Lake, Anchorage County, Alaska
1,289 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
60.77 degrees N, 148.81 degrees W - Anchorage 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
- Larger than 89% of the 2,450 lakes counted in Alaska.
- About 48 miles from Anchorage, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Luebner Lake | Anchorage | 6.2 mi | 33 acres |
| Carmen Lake | Anchorage | 9.7 mi | 538 acres |
| Bench Lake | Kenai Peninsula | 18 mi | 95 acres |
| Lake Shrode | Valdez-Cordova | 18 mi | 260 acres |
| Johnson Lake | Kenai Peninsula | 19 mi | 47 acres |
| Lake Jack | Valdez-Cordova | 19 mi | 437 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Portage Lake
How Big Is Portage Lake?
Portage Lake covers 1,289 acres in Anchorage County, Alaska.
What Is the Largest Lake in Anchorage County?
Inner Lake George is the largest lake in Anchorage County, at 6,675 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 26584133). Verified October 30, 2026.