Lakes / Arizona / Navajo County / Happy Tank
Happy Tank, Arizona
238 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Arizona
34.52 degrees N, 110.35 degrees W - Navajo 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 Happy Tank Stacks Up
- Larger than 78% of the 198 lakes counted in Arizona.
- About 84 miles from Sedona, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Dry Lake | Navajo | 8.3 mi | 1,686 acres |
| Schoens Lake | Navajo | 16 mi | 50 acres |
| White Lake | Navajo | 22 mi | 25 acres |
| Mexican Lake | Navajo | 23 mi | 147 acres |
| White Mountain Lake | Navajo | 23 mi | 197 acres |
| Fools Hollow Lake | Navajo | 23 mi | 134 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{BFCC58DC-96DE-4808-96B1-43AECEAF6C35}
CountyNavajo
Lake TypeReservoir
Coordinates34.5180, -110.3516
Questions About Happy Tank
How Big Is Happy Tank?
Happy Tank covers 238 acres in Navajo County, Arizona.
What Is the Largest Lake in Navajo County?
Dry Lake is the largest lake in Navajo County, at 1,686 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 {BFCC58DC-96DE-4808-96B1-43AECEAF6C35}). Verified October 30, 2026.