Mad Tom Lake is located north of Wilmurt in Herkimer County, New York. It drains southwest via Mad Tom Brook which flows into the West Canada Creek.
| Mad Tom Lake | |
|---|---|
  Mad Tom Lake Location of Mad Tom Lake within New York | |
| Location | Herkimer County, New York |
| Coordinates | 43°24′39″N 74°54′56″W / 43.4108613°N 74.9155775°W |
| Type | Lake |
| Primary outflows | Mad Tom Brook |
| Surface elevation | 1,703 feet (519 m)[1] |
| Settlements | Wilmurt |