Keweenaw County, MI Elevation & Topographic Map
Elevation
1,550 ft 470 m1,310 ft 400 m1,190 ft 365 m950 ft 290 m720 ft 220 m600 ft 180 m
Zoom in for contour lines
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.
- County area
- Fades everything outside the official county boundary (US Census).
Elevation Data
Keweenaw County averages about 850 ft (260 m) above sea level across all its land. Its ground runs from 600 ft on the west side to 1,550 ft on Mount Horace Greeley.
Average elevation
850 ft 260 m
all land inside the county
Highest
1,550 ft 470 m
on Mount Horace Greeley
Lowest
600 ft 180 m
on the west side
Keweenaw County spans about 950 ft of height, so no single spot tells the whole story. The ruler shows where most of its land lies, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Average of all land | 850 ft260 m |
| Highest point Inside the county, on Mount Horace Greeley (3DEP terrain model; no NGS survey height) | 1,550 ft470 m |
| Lowest point Inside the county, on the west side | 600 ft180 m |
Elevation profile, west to east
66 mi west to east through Allouez Township.
Topographic Map
- Location
- County in Michigan, United States
- Population
- 2,161 2024 est.
- Land area
- 540.1 sq mi + 5,426.2 sq mi water
- Density
- 4.0 per sq mi
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Superior Upland 95%
- Drains to
- Great Lakes
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Sources: U.S. Census Bureau, USGS
Nearby Places
Neighboring counties sharing a border, by average
- Cook County, MN1,620 ft
- Marquette County1,240 ft
- Ontonagon County1,120 ft
- Houghton County1,030 ft
- Alger County860 ft
- Keweenaw County850 ft
Rankings by average elevation
- Counties in Michigan40th highest of 83
- Counties in the United States1,709th highest of 3,151
Peaks and hills highest inside
- Mount Horace Greeley1,550 ft
- Gratiot Mountain1,490 ft
- Mount Bohemia1,467 ft
- Mount Houghton1,470 ft
- Mount Desor1,390 ft
All 11 towns in Keweenaw County by typical elevation
- Mohawk1,030 ft
- Fulton1,010 ft
- Allouez Township990 ft
- Ahmeek870 ft
- Eagle Harbor Township660 ft
- Houghton Township640 ft
- Eagle River630 ft
- Sherman Township, Keweenaw County630 ft
- Eagle Harbor620 ft
- Grant Township, Keweenaw County620 ft
- Copper Harbor620 ft
How we measure
- Average: every USGS 3DEP bare-earth cell of land inside the Census county boundary (TIGER/Line, Jan 1 2026), weighted equally, on a 3 arc-second (≈300 ft, 93 m) grid, coarsened from 1 arc-second so the whole area fits one run. Land means the boundary minus Census area water (on this grid, water areas of at least half a cell).
- Highest and lowest: the highest land cell, re-read at 1 arc-second around the 25 highest grid cells; it is a named summit, so its height is the peak method: the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a survey mark sits within 160 ft (50 m) of it. Lowest: the lowest land cell, re-read at 1 arc-second around the 25 lowest grid cells; coastal ground within 3 ft (1 m) of named tidal water counts as sea level.
- Nearby Places: neighboring counties and rankings use each one's average elevation, on its own grid, the same figure its page shows. Peaks and hills: the highest summits inside the county with at least 980 ft (300 m) of prominence, then the highest federal (GNIS) summits inside it 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).
- Towns: each town's typical elevation (population-weighted median of its own 2020 blocks at 1 arc-second); a town is listed when any of its 2020 residents live in the county.
- 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 (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 (TIGER boundaries and water, 2020 blocks, 2024 population estimates, county adjacency); NOAA NGS survey heights; BTS time zones. All public domain.