Lakes / Alaska / Matanuska-Susitna County / Diamond Lake
Diamond Lake, Alaska
166 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Alaska
61.50 degrees N, 150.02 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 Diamond Lake Stacks Up
- Larger than 52% of the 2,450 lakes counted in Alaska.
- About 20 miles from Anchorage, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Susan Lake | Matanuska-Susitna | 1.5 mi | 45 acres |
| Crooked Lake | Matanuska-Susitna | 1.6 mi | 240 acres |
| Sara Lake | Matanuska-Susitna | 2.0 mi | 52 acres |
| Flat Lake | Matanuska-Susitna | 2.1 mi | 311 acres |
| Never-Never Lake | Matanuska-Susitna | 2.3 mi | 36 acres |
| Mirror Lake | Matanuska-Susitna | 2.6 mi | 50 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Diamond Lake
How Big Is Diamond Lake?
Diamond Lake covers 166 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 120013791). Verified October 30, 2026.