Lakes / Missouri / Montgomery County / Pinnacle Lake
Pinnacle Lake, Missouri
114.66 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Missouri
38.83 degrees N, 91.42 degrees W - Montgomery 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 Pinnacle Lake Stacks Up
- Larger than 74% of the 352 lakes counted in Missouri.
- The largest lake in Montgomery County among those counted.
- About 50 miles from Columbia, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Golden Eagle Lake | Montgomery | 6.6 mi | 104.53 acres |
| Heron Lake | Montgomery | 7.6 mi | 35.61 acres |
| Lake Lochaweeno | Callaway | 19 mi | 46.72 acres |
| Canyon Lake | Callaway | 20 mi | 41.29 acres |
| Lake Lucern | Warren | 20 mi | 36.82 acres |
| Boggs Lake | Gasconade | 20 mi | 31.88 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Pinnacle Lake
How Big Is Pinnacle Lake?
Pinnacle Lake covers 114.66 acres in Montgomery County, Missouri.
What Is the Largest Lake in Montgomery County?
Pinnacle Lake is the largest lake in Montgomery County, at 114.66 acres.
Largest Lakes in Missouri
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake of the Ozarks | Camden | 51,171.75 acres | - |
| 2 | Harry S Truman Reservoir | Benton | 49,365.93 acres | - |
| 3 | Table Rock Lake | Stone | 41,777.86 acres | - |
| 4 | Stockton Lake | Cedar | 24,962.34 acres | - |
| 5 | Mark Twain Lake | Ralls | 18,362.33 acres | - |
All 352 Missouri lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 80305769). Verified October 30, 2026.