Groton, NH Elevation & Topographic Map

Elevation
2,340 ft 715 m1,910 ft 580 m1,690 ft 515 m1,260 ft 385 m820 ft 250 m600 ft 185 m
Contours every 200 ft, bold every 1,000 ft
USGS 3DEP · U.S. Census Bureau
How to use this mapviews, tools and data
- Elevation
- Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
- Satellite
- A 2016 satellite photo at 33 ft (10 m) detail; contours off.
- 3D
- Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
- Click or tap anywhere
- The exact elevation of that spot in ft and m.
- Measure
- Pick two points for the climb, descent and grade along a straight line.
- Town area
- Fades everything outside the official town boundaries (US Census).
Elevation Data
Groton sits at about 1,590 ft (485 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
1,590 ft 485 m
most residents: 660–1,950 ft
Lowest
600 ft 185 m
on the north side
Highest
2,340 ft 715 m
on Tenney Mountain
Average
1,410 ft 430 m
all land inside town boundaries
Groton spans about 1,740 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | 1,590 ft485 m |
| Highest point Inside town boundaries, on Tenney Mountain | 2,340 ft715 m |
| Lowest point Inside town boundaries, on the north side | 600 ft185 m |
| Town center USGS map point for Groton | 630 ft195 m |
| Average of all land | 1,410 ft430 m |
| Nearest peak Carr Mountain, 6.3 mi north of the town boundaries | 3,450 ft1,050 m |
Elevation profile, west to east
4.0 mi west to east through the town center.
Topographic Map
- Location
- Town in Grafton County, New Hampshire, United States
- Population
- 587 2024 est.
- Land area
- 40.7 sq mi + 0.1 sq mi water
- Density
- 14 per sq mi
- Coordinates
- 43.7017° N, 71.8356° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- New England
- Drains to
- Merrimack River → Atlantic Ocean
- ZIP codes 2
- 03241 03266
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Groton1,590 ft
- Dorchester1,450 ft
- Orange1,220 ft
- Canaan1,050 ft
- Alexandria910 ft
- Hebron750 ft
- Bridgewater740 ft
- Rumney660 ft
- Bristol610 ft
- Ashland580 ft
- Plymouth570 ft
Rankings by typical elevation
- Towns in New Hampshire5th highest of 260
- Towns in Grafton County2nd highest of 43
Peaks and hills nearest, by height
- Carr Mountain3,450 ft
- Smarts Mountain3,230 ft
- Mount Cardigan3,060 ft
- Stinson Mountain2,894 ft
- Plymouth Mountain2,200 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the town boundaries, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census town boundaries (TIGER, Jan 1 2026).
- Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
- Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (FAA airport elevation, NGS survey heights) are shown as their publisher gives them.
- Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, 2024 population estimates, Gazetteer areas, ZIP code areas); BTS time zones; NOAA NGS survey heights. All public domain.