Alianza, PR Elevation & Topographic Map

Topographic elevation map of Alianza, Puerto Rico, shaded from 320 ft on the northeast side to 550 ft on the southwest side
Elevation
550 ft 170 m500 ft 150 m470 ft 140 m410 ft 125 m350 ft 105 m320 ft 100 m
Contours every 40 ft, bold every 200 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.
Area
Fades everything outside the official Census boundary (US Census).

Elevation Data

Alianza sits at about 370 ft (115 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
370 ft 115 m
most residents: 350–420 ft
Lowest
320 ft 100 m
on the northeast side
Highest
550 ft 170 m
on the southwest side
Average
400 ft 120 m
all land inside the Census boundary

Alianza spans about 230 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
370 ft115 m
Highest point
Inside the Census boundary, on the southwest side
550 ft170 m
Lowest point
Inside the Census boundary, on the northeast side
320 ft100 m
Town center
USGS map point for Alianza
370 ft115 m
Average of all land400 ft120 m

Elevation profile, south to north

1.4 mi south to north through the town center.

Topographic Map

Topographic elevation map of Alianza, Puerto Rico, shaded from 320 ft on the northeast side to 550 ft on the southwest side
Census boundary (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
Community (census-designated) in Camuy Municipio, Puerto Rico, United States
Population
2,254 2020 Census
Land area
1.0 sq mi
Density
2,261 per sq mi
Coordinates
18.4516° N, 66.8535° W
Time zone
Atlantic UTC−4, no daylight saving
Drains to
Atlantic Ocean
ZIP codes 1
00627
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Sources: U.S. Census Bureau, USGS

Nearby Places

Nearby towns by typical elevation

  1. Quebrada990 ft
  2. Rafael Capó630 ft
  3. San Antonio, Quebradillas Municipio570 ft
  4. Piedra Gorda540 ft
  5. Rafael González450 ft
  6. La Pica380 ft
  7. Alianza370 ft
  8. Del Carmen300 ft
  9. Corcovado250 ft
  10. Carrizales120 ft
  11. Yeguada93 ft

Rankings by typical elevation

Peaks and hills nearest, by height

  • Monte Jayuya4,310 ft
  • Monte Guilarte3,954 ft
  • Monte de la Luz650 ft
  • Monte Iguina460 ft
  • Cerro Alto420 ft
How we measure
  • Typical elevation: the population-weighted median: every 2020 Census block inside the Census boundary, 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 Census boundary (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: Puerto Rico Vertical Datum of 2002 (PRVD02). NGS plans to replace PRVD02 with a new datum (NAPGD2022); heights will then shift slightly.
  • Alianza is an unincorporated community; figures cover the census-designated place, a statistical area.
  • Sources: USGS 3DEP, GNIS and Watershed Boundary Dataset; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); BTS time zones; NOAA NGS survey heights. All public domain.