Grand Island Township, MI Elevation & Topographic Map
Elevation
990 ft 305 m900 ft 275 m850 ft 260 m750 ft 230 m650 ft 200 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.
- Township area
- Fades everything outside the official township boundaries (US Census).
Elevation Data
Grand Island Township sits at about 750 ft (225 m) above sea level, the median height of all land inside township boundaries (too few residents to weight by).
Typical elevation (all land)
750 ft 225 m
few residents
Lowest
600 ft 185 m
on the north side
Highest
990 ft 305 m
on the north side
Average
740 ft 225 m
all land inside township boundaries
Grand Island Township spans about 390 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 (all land) Median of all land; too few residents to weight by | 750 ft225 m |
| Highest point Inside township boundaries, on the north side | 990 ft305 m |
| Lowest point Inside township boundaries, on the north side | 600 ft185 m |
| Average of all land | 740 ft225 m |
Elevation profile, south to north
9.3 mi south to north through the middle of Grand Island Township.
Topographic Map
- Location
- Township in Alger County, Michigan, United States
- Population
- 31 2024 est.
- Land area
- 22.5 sq mi + 26.6 sq mi water
- Density
- 1.4 per sq mi
- Coordinates
- 46.4414° N, 86.6593° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Central Lowland
- Drains to
- Saint Marys River → Niagara River
- ZIP codes 1
- 49862
⤓ Download this map
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Skandia Township1,060 ft
- Rock River Township940 ft
- Limestone Township930 ft
- Chatham880 ft
- Munising Township870 ft
- Mathias Township870 ft
- Grand Island Township750 ft
- Onota Township680 ft
- Au Train Township680 ft
- Munising640 ft
- Hiawatha Township630 ft
Rankings by typical elevation
- Towns in Michigan1,191st highest of 1,985
- Towns in Alger County6th highest of 11
How we measure
- Typical elevation: the median height of all land inside the township boundaries; too few residents live here to weight by people.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census township 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. All public domain.