Lakes / Wyoming / Teton County / Toppan Lake
Toppan Lake, Wyoming
5 acres
Surface Area
33 ft
Max Depth
22 ft
Average Depth
Where It Sits, and How Deep It Goes
Locator - Wyoming
43.97 degrees N, 110.16 degrees W - Teton 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 - Toppan Lake
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How Toppan Lake Stacks Up
- Deeper than 52% of the 120 natural Wyoming lakes ranked by depth.
- Larger than 3% of the 783 lakes counted in Wyoming.
- Its average depth of 22 ft is more than 2 times a typical shallow Wyoming lake, which averages under 10 ft.
- About 45 miles from Jackson, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Joy Peak Lake | Teton | 1.1 mi | 4 acres |
| Divide Lake | Teton | 3.9 mi | 3 acres |
| Enos Lake | Teton | 4.3 mi | 5 acres |
| Clear Creek Lake | Teton | 4.4 mi | 4 acres |
| Tri-county Lake | Fremont | 5.9 mi | 19 acres |
| Emerald Lake | Teton | 9.9 mi | 4 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Toppan Lake
How Big Is Toppan Lake?
Toppan Lake covers 5 acres in Teton County, Wyoming.
How Deep Is Toppan Lake?
Toppan Lake reaches 33 ft at its deepest. Its average depth is 22 ft.
What Is the Largest Lake in Teton County?
Yellowstone Lake is the largest lake in Teton County, at 84,442 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 31704711). Verified October 30, 2026.