Lakes / Wyoming / Natrona County / North Thirtythree Mile Reservoir
North Thirtythree Mile Reservoir, Wyoming
6 acres
Surface Area
5 ft
Max Depth
3 ft
Average Depth
Where It Sits, and How Deep It Goes
Locator - Wyoming
43.22 degrees N, 106.60 degrees W - Natrona County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Wyoming Game and Fish Department coordinates, not by eye. Schematic - not a survey map.
Depth Profile - North Thirtythree Mile Reservoir
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How North Thirtythree Mile Reservoir Stacks Up
- Deeper than 4% of the 120 natural Wyoming lakes ranked by depth.
- Larger than 5% of the 783 lakes counted in Wyoming.
- A shallow lake - typical of most Wyoming lakes, which run under 20 ft at their deepest.
- About 29 miles from Casper, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Sherrod Reservoir | Natrona | 1.6 mi | 34.59 acres |
| Leg Reservoir | Natrona | 4.5 mi | 5 acres |
| Reynolds Reservoir | Natrona | 5.3 mi | 118.01 acres |
| Camel Hump Reservoir | Natrona | 7.1 mi | 7 acres |
| Gowin-Kesecker Lake | Natrona | 9.7 mi | 56 acres |
| Wild Horse Reservoir | Natrona | 10 mi | 2 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About North Thirtythree Mile Reservoir
How Big Is North Thirtythree Mile Reservoir?
North Thirtythree Mile Reservoir covers 6 acres in Natrona County, Wyoming.
How Deep Is North Thirtythree Mile Reservoir?
North Thirtythree Mile Reservoir reaches 5 ft at its deepest. Its average depth is 3 ft.
What Is the Largest Lake in Natrona County?
Alcova Reservoir is the largest lake in Natrona County, at 2,340 acres.
Deepest Natural Lakes in Wyoming
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Deep Lake | Park | 285 acres | 472 ft |
| 2 | Lake Reno | Park | 107 acres | 222 ft |
| 3 | Snowdrift Lake | Teton | 57 acres | 174 ft |
| 4 | Crater Lake | Big Horn | 39 acres | 166 ft |
| 5 | Beauty Lake | Park | 94 acres | 165 ft |
All 120 Wyoming lakes ranked by depth
Largest Lakes in Wyoming
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Yellowstone Lake | Teton | 84,442 acres | - |
| 2 | Flaming Gorge Reservoir | Sweetwater | 38,888.36 acres | 440 ft |
| 3 | Jackson Lake | Teton | 26,853.22 acres | - |
| 4 | Pathfinder Reservoir | Carbon | 22,000 acres | 192 ft |
| 5 | Seminoe Reservoir | Carbon | 20,000 acres | 200 ft |
All 783 Wyoming lakes ranked by surface area
Sources: Wyoming Game & Fish lake data (ID 152877015). Verified October 30, 2026.