Lakes / Arizona / Pima County / Mormon Lake
Mormon Lake, Pima County, Arizona
30 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Arizona
31.54 degrees N, 111.52 degrees W - Pima 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
- Larger than 11% of the 198 lakes counted in Arizona.
- About 58 miles from Tucson, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Aguirre Lake | Pima | 3.0 mi | 54 acres |
| Arivaca Lake | Pima | 16 mi | 73 acres |
| Peña Blanca Lake | Santa Cruz | 27 mi | 41 acres |
| Patagonia Lake | Santa Cruz | 39 mi | 188 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Mormon Lake
How Big Is Mormon Lake?
Mormon Lake covers 30 acres in Pima County, Arizona.
What Is the Largest Lake in Pima County?
Silver Bell Tailings Pond is the largest lake in Pima County, at 252 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 126473395). Verified October 30, 2026.