Grand Tower Township, IL Elevation & Topographic Map

Topographic elevation map of Grand Tower Township, Illinois, shaded from 330 ft on the south side to 730 ft on the north side
Elevation
730 ft 225 m630 ft 195 m580 ft 180 m480 ft 145 m380 ft 115 m330 ft 100 m
Contours every 200 ft, bold every 1,000 ft
USGS 3DEP · U.S. Census Bureau
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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 Tower Township sits at about 360 ft (110 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
360 ft 110 m
most residents: 360–370 ft
Lowest
330 ft 100 m
on the south side
Highest
730 ft 225 m
on the north side
Average
380 ft 115 m
all land inside township boundaries

Grand Tower Township spans about 400 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.

FigureElevation
Typical
Where people live: half of residents higher, half lower
360 ft110 m
Highest point
Inside township boundaries, on the north side
730 ft225 m
Lowest point
Inside township boundaries, on the south side
330 ft100 m
Town center
USGS map point for Grand Tower Township
360 ft110 m
Average of all land380 ft115 m

Elevation profile, south to north

8.5 mi south to north through the town center.

Topographic Map

Topographic elevation map of Grand Tower Township, Illinois, shaded from 330 ft on the south side to 730 ft on the north side
Township boundaries (dashed) over shaded terrain, with contours every 40 ft (12 m).
Location
Township in Jackson County, Illinois, United States
Population
559 2024 est.
Land area
31.6 sq mi + 1.9 sq mi water
Density
18 per sq mi
Coordinates
37.6264° N, 89.4979° W
Time zone
Central UTC−6 / −5
Landform region
Ozark Plateaus
Drains to
Mississippi River → Gulf of America
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Sources: U.S. Census Bureau, USGS

Nearby Places

Nearby towns by typical elevation

  1. Alto Pass710 ft
  2. Pomona Township550 ft
  3. Altenburg, MO550 ft
  4. Frohna, MO540 ft
  5. Shawneetown, MO500 ft
  6. Sand Ridge Township430 ft
  7. New Wells, MO390 ft
  8. Gorham360 ft
  9. Grand Tower360 ft
  10. Grand Tower Township360 ft
  11. Fountain Bluff Township360 ft

Rankings by typical elevation

Peaks and hills nearest, by height

  • Government Rock820 ft
  • Grassy Knob800 ft
  • Lookout Rocks730 ft
  • Swallow Rock670 ft
  • Walker Hill490 ft
How we measure
  • Typical elevation: the population-weighted median: every 2020 Census block inside the township 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 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); BTS time zones. All public domain.