Rocky Boy's Reservation, MT Elevation & Topographic Map

Topographic elevation map of Rocky Boy's Reservation, Montana, shaded from 2,570 ft on the north side to 6,910 ft on Baldy Mountain
Elevation
6,910 ft 2,105 m5,830 ft 1,775 m5,280 ft 1,610 m4,200 ft 1,280 m3,110 ft 950 m2,570 ft 780 m
Contours every 500 ft, bold every 2,500 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.
Area
Fades everything outside the official reservation boundary (US Census).

Elevation Data

Rocky Boy's Reservation averages about 3,780 ft (1,155 m) above sea level across all its land. Its ground runs from 2,570 ft on the north side to 6,910 ft on Baldy Mountain.

Average elevation
3,780 ft 1,155 m
all land inside the reservation
Highest
6,910 ft 2,105 m
on Baldy Mountain
Lowest
2,570 ft 780 m
on the north side

Rocky Boy's Reservation spans about 4,340 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 land3,780 ft1,155 m
Highest point
Inside the reservation, on Baldy Mountain (3DEP terrain model; no NGS survey height)
6,910 ft2,105 m
Lowest point
Inside the reservation, on the north side
2,570 ft780 m

Elevation profile, west to east

15 mi west to east through Rocky Boy West.

Topographic Map

Topographic elevation map of Rocky Boy's Reservation, Montana, shaded from 2,570 ft on the north side to 6,910 ft on Baldy Mountain
Census reservation boundary (dashed) over shaded terrain, with contours every 200 ft (61 m).
Location
Reservation, with off-reservation trust land in Montana, United States (U.S. Census Bureau)
Population
3,639 2020 Census
Land area
171.4 sq mi + 0.2 sq mi water
Density
21 per sq mi
Time zone
Mountain UTC−7 / −6
Landform region
Great Plains
Drains to
Gulf of America
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Sources: U.S. Census Bureau, USGS

Nearby Places

All 7 towns in the reservation by typical elevation
  1. Parker School4,030 ft
  2. Rocky Boy's Agency3,940 ft
  3. St. Pierre3,900 ft
  4. Sangrey3,600 ft
  5. Azure3,430 ft
  6. Boneau3,290 ft
  7. Rocky Boy West2,760 ft
How we measure
  • Average: every USGS 3DEP bare-earth cell of land inside the Census reservation boundary (TIGER/Line AIANNH, 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; 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; coastal ground within 3 ft (1 m) of named tidal water counts as sea level.
  • Name: the Census Bureau's legal or statistical area name, as published; the nation's own name may differ.
  • Population: 2020 Census residents of the blocks inside the boundary.
  • Nearby Places: nearest tribal lands 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 reservation 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 reservation.
  • 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); NOAA NGS survey heights; BTS time zones. All public domain.