Lakes / New Hampshire / Grafton County / Lower Mountain Lake
Lower Mountain Lake, New Hampshire
39.86 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Hampshire
44.12 degrees N, 71.96 degrees W - Grafton 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 Lower Mountain Lake Stacks Up
- Larger than 26% of the 516 lakes counted in New Hampshire.
- About 48 miles from Laconia, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| French Pond | Grafton | 1.6 mi | 32.12 acres |
| Long Pond | Grafton | 5.9 mi | 95.63 acres |
| Pearl Lake | Grafton | 7.0 mi | 61.53 acres |
| Oliverian Pond | Grafton | 8.4 mi | 33.11 acres |
| Lake Katherine | Grafton | 9.8 mi | 43.74 acres |
| Wachipauka Pond | Grafton | 10.0 mi | 28.17 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lower Mountain Lake
How Big Is Lower Mountain Lake?
Lower Mountain Lake covers 39.86 acres in Grafton County, New Hampshire.
What Is the Largest Lake in Grafton County?
Newfound Lake is the largest lake in Grafton County, at 4,451.11 acres.
Largest Lakes in New Hampshire
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Winnipesaukee | Belknap | 45,654.45 acres | - |
| 2 | Umbagog Lake | Coos | 7,642.5 acres | - |
| 3 | Squam Lake | Belknap | 6,791.2 acres | - |
| 4 | Newfound Lake | Grafton | 4,451.11 acres | - |
| 5 | Lake Winnisquam | Belknap | 4,213.89 acres | - |
All 516 New Hampshire lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 87403523). Verified October 30, 2026.