Obion County, TN Elevation & Topographic Map

Topographic elevation map of Obion County, Tennessee, shaded from 260 ft on the southwest side to 570 ft near the middle
Elevation
570 ft 170 m490 ft 150 m450 ft 140 m380 ft 115 m300 ft 90 m260 ft 80 m
Contours every 500 ft, bold every 2,500 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.
County area
Fades everything outside the official county boundary (US Census).

Elevation Data

Obion County averages about 350 ft (105 m) above sea level across all its land. Its ground runs from 260 ft on the southwest side to 570 ft near the middle.

Average elevation
350 ft 105 m
all land inside the county
Highest
570 ft 170 m
near the middle
Lowest
260 ft 80 m
on the southwest side

Obion County spans about 310 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.

FigureElevation
Average of all land350 ft105 m
Highest point
Inside the county, near the middle
570 ft170 m
Lowest point
Inside the county, on the southwest side
260 ft80 m

Elevation profile, west to east

31 mi west to east through Union City.

Topographic Map

Topographic elevation map of Obion County, Tennessee, shaded from 260 ft on the southwest side to 570 ft near the middle
County boundary (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
County in Tennessee, United States
Population
30,261 2024 est.
Land area
544.9 sq mi + 10.6 sq mi water
Density
56 per sq mi
Time zone
Central UTC−6 / −5
Landform region
Coastal Plain
Drains to
Gulf of America
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Sources: U.S. Census Bureau, USGS

Nearby Places

Neighboring counties sharing a border, by average

  1. Weakley County390 ft
  2. Hickman County, KY370 ft
  3. Gibson County370 ft
  4. Obion County350 ft
  5. Fulton County, KY340 ft
  6. Dyer County290 ft
  7. Lake County280 ft

Rankings by average elevation

Peaks and hills highest inside

  • Logan Hill, Obion County540 ft
  • Fishgap Hill510 ft
  • Mathis Hill440 ft
All 10 towns in Obion County by typical elevation
  1. Hornbeak460 ft
  2. South Fulton390 ft
  3. Woodland Mills380 ft
  4. Troy360 ft
  5. Union City340 ft
  6. Kenton partly320 ft
  7. Trimble partly300 ft
  8. Rives300 ft
  9. Obion290 ft
  10. Samburg290 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 1 arc-second (≈100 ft, 30 m) grid. Land means the boundary minus Census area water.
  • Highest and lowest: the highest land cell. Lowest: the lowest land cell; 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.