Lakes / Arizona / Coconino County / Mormon Lake
Mormon Lake, Coconino County, Arizona
4,904 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Arizona
34.94 degrees N, 111.46 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 Mormon Lake Stacks Up
- Ranks #6 for surface area among the Arizona lakes counted so far - 4,904 acres.
- The largest lake in Coconino County among those counted.
- About 19 miles from Sedona, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Grass Flat Tank | Coconino | 2.7 mi | 106 acres |
| Perry Lake | Coconino | 3.5 mi | 27 acres |
| Ducksnest Lake | Coconino | 4.5 mi | 63 acres |
| Pine Lake | Coconino | 4.8 mi | 55 acres |
| Corner Lake | Coconino | 5.5 mi | 40 acres |
| Breezy Lake | Coconino | 5.5 mi | 105 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Mormon Lake
How Big Is Mormon Lake?
Mormon Lake covers 4,904 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 130877334). Verified October 30, 2026.