Lakes / Alaska / Matanuska-Susitna County / Rocky Lake
Rocky Lake, Matanuska-Susitna County, Alaska
57 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
61.56 degrees N, 149.83 degrees W - Matanuska-Susitna 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 Rocky Lake Stacks Up
- Larger than 19% of the 2,450 lakes counted in Alaska.
- About 23 miles from Anchorage, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Beaverhouse Lake | Matanuska-Susitna | 1.7 mi | 43 acres |
| Big Beaver Lake | Matanuska-Susitna | 1.9 mi | 153 acres |
| Twin Lake | Matanuska-Susitna | 2.0 mi | 64 acres |
| West Beaver Lake | Matanuska-Susitna | 2.1 mi | 107 acres |
| Echo Lake | Matanuska-Susitna | 2.3 mi | 102 acres |
| Little Beaver Lake | Matanuska-Susitna | 2.4 mi | 53 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Rocky Lake
How Big Is Rocky Lake?
Rocky Lake covers 57 acres in Matanuska-Susitna County, Alaska.
What Is the Largest Lake in Matanuska-Susitna County?
Lake Louise is the largest lake in Matanuska-Susitna County, at 14,705 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 49050800). Verified October 30, 2026.