Lakes / Wyoming / Park County / Big Piney Reservoir
Big Piney Reservoir, Wyoming
14 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Wyoming
44.13 degrees N, 109.31 degrees W - Park 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.
How Big Piney Reservoir Stacks Up
- Larger than 11% of the 783 lakes counted in Wyoming.
- About 30 miles from Cody, as the crow flies.
- 1 fish species on the WGFD list for this lake.
Fish Species
Species recorded for this lake. Presence only - no abundance ratings.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Thomas Reservoir | Park | 8.7 mi | 27.95 acres |
| Foster Reservoir | Park | 12 mi | 29.9 acres |
| Sunshine Reservoir | Park | 14 mi | 1,200 acres |
| Hidden Lake | Park | 14 mi | 2 acres |
| Coe Enlargement Reservoir | Park | 15 mi | 30.95 acres |
| Lower Sunshine Reservoir | Park | 16 mi | 900 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Big Piney Reservoir
How Big Is Big Piney Reservoir?
Big Piney Reservoir covers 14 acres in Park County, Wyoming.
What Fish Are in Big Piney Reservoir?
The WGFD lists Yellowstone Cutthroat for Big Piney Reservoir.
What Is the Largest Lake in Park County?
Buffalo Bill Reservoir is the largest lake in Park County, at 6,691 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 120030711). Verified October 30, 2026.