Lakes / Alaska / Ketchikan Gateway County / Reef Lake
Reef Lake, Alaska
369 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
55.12 degrees N, 130.25 degrees W - Ketchikan Gateway 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 Reef Lake Stacks Up
- Larger than 72% of the 2,450 lakes counted in Alaska.
- About 271 miles from Juneau, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Harrison Lakes | Ketchikan Gateway | 1.6 mi | 104 acres |
| Harrison Lakes | Ketchikan Gateway | 2.0 mi | 53 acres |
| Reef Point Lake | Ketchikan Gateway | 2.4 mi | 128 acres |
| Hidden Inlet Lake | Ketchikan Gateway | 11 mi | 630 acres |
| Humpback Lake | Ketchikan Gateway | 14 mi | 1,344 acres |
| Marten Arm Lake | Ketchikan Gateway | 14 mi | 329 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Reef Lake
How Big Is Reef Lake?
Reef Lake covers 369 acres in Ketchikan Gateway County, Alaska.
What Is the Largest Lake in Ketchikan Gateway County?
Ella Lake is the largest lake in Ketchikan Gateway County, at 1,866 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 120469049). Verified October 30, 2026.