Lakes / Arizona / Coconino County / Post Lake
Post Lake, Arizona
59 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Arizona
35.02 degrees N, 111.42 degrees W - Coconino 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 Post Lake Stacks Up
- Larger than 42% of the 198 lakes counted in Arizona.
- About 18 miles from Flagstaff, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Als Lake | Coconino | 0.9 mi | 28 acres |
| Ashurst Lake | Coconino | 1.2 mi | 180 acres |
| Potato Lake | Coconino | 2.4 mi | 95 acres |
| Deep Lake | Coconino | 2.4 mi | 107 acres |
| Perry Lake | Coconino | 2.5 mi | 27 acres |
| Indian Lake | Coconino | 2.9 mi | 28 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Post Lake
How Big Is Post Lake?
Post Lake covers 59 acres in Coconino County, Arizona.
What Is the Largest Lake in Coconino County?
Mormon Lake is the largest lake in Coconino County, at 4,904 acres.
Largest Lakes in Arizona
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Mohave | Mohave | 27,571 acres | - |
| 2 | Lake Havasu | Mohave | 18,560 acres | - |
| 3 | San Carlos Reservoir | Gila | 13,059 acres | - |
| 4 | Lake Pleasant | Yavapai | 9,186 acres | - |
| 5 | Theodore Roosevelt Lake | Gila | 9,075 acres | - |
All 198 Arizona 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 130877214). Verified October 30, 2026.