Hecla Township, SD Elevation & Topographic Map

Topographic elevation map of Hecla Township, South Dakota, shaded from 1,290 ft on the northeast side to 1,310 ft on the north side
Elevation
1,320 ft 400 m1,310 ft 400 m1,310 ft 400 m1,300 ft 395 m1,290 ft 395 m1,290 ft 390 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

Hecla Township sits at about 1,290 ft (395 m) above sea level, the median height of all land inside township boundaries (too few residents to weight by).

Typical elevation (all land)
1,290 ft 395 m
few residents
Lowest
1,290 ft 390 m
on the northeast side
Highest
1,310 ft 400 m
on the north side
Average
1,290 ft 395 m
all land inside township boundaries

Hecla Township is nearly flat: its ground varies by only about 20 ft, so the figures below sit close together.

FigureElevation
Typical (all land)
Median of all land; too few residents to weight by
1,290 ft395 m
Highest point
Inside township boundaries, on the north side
1,310 ft400 m
Lowest point
Inside township boundaries, on the northeast side
1,290 ft390 m
Average of all land1,290 ft395 m

Topographic Map

Topographic elevation map of Hecla Township, South Dakota, shaded from 1,290 ft on the northeast side to 1,310 ft on the north side
Township boundaries (dashed) over shaded terrain, with contours every 10 ft (3 m).
Location
Township in Brown County, South Dakota, United States
Population
28 2024 est.
Land area
24.0 sq mi + 0.3 sq mi water
Density
1.2 per sq mi
Coordinates
45.8708° N, 98.1527° W
Time zone
Central UTC−6 / −5
Landform region
Central Lowland
Drains to
James River → Missouri River → Mississippi River → Gulf of America
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Sources: U.S. Census Bureau, USGS

Nearby Places

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); BTS time zones. All public domain.