Lakes / Alaska / Ketchikan Gateway County / Lower Silvis Lake
Lower Silvis Lake, Alaska
76 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
55.38 degrees N, 131.51 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 Lower Silvis Lake Stacks Up
- Larger than 28% of the 2,450 lakes counted in Alaska.
- About 230 miles from Juneau, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Upper Silvis Lake | Ketchikan Gateway | 0.9 mi | 244 acres |
| Upper Mahoney Lake | Ketchikan Gateway | 2.7 mi | 82 acres |
| Mahoney Lake | Ketchikan Gateway | 2.7 mi | 173 acres |
| Whitman Lake | Ketchikan Gateway | 3.5 mi | 166 acres |
| Upper Ketchikan Lake | Ketchikan Gateway | 4.4 mi | 326 acres |
| Lower Ketchikan Lake | Ketchikan Gateway | 4.7 mi | 348 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lower Silvis Lake
How Big Is Lower Silvis Lake?
Lower Silvis Lake covers 76 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 120548377). Verified October 30, 2026.