Portage Creek, AK Elevation & Topographic Map

Topographic elevation map of Portage Creek, Alaska, shaded from 16 ft near the middle to 140 ft on the northeast side
Elevation
140 ft 45 m110 ft 35 m94 ft 29 m63 ft 19 m31 ft 10 m16 ft 5 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.
Area
Fades everything outside the official CDP boundary (US Census).

Elevation Data

Portage Creek sits at about 110 ft (35 m) above sea level, the median height of all land inside the CDP boundary (too few residents to weight by).

Typical elevation (all land)
110 ft 35 m
few residents
Lowest
16 ft 5 m
near the middle
Highest
140 ft 45 m
on the northeast side
Average
99 ft 30 m
all land inside the CDP boundary

Portage Creek spans about 124 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 (all land)
Median of all land; too few residents to weight by
110 ft35 m
Highest point
Inside the CDP boundary, on the northeast side
140 ft45 m
Lowest point
Inside the CDP boundary, near the middle
16 ft5 m
Town center
USGS map point for Portage Creek
96 ft29 m
Average of all land99 ft30 m

Elevation profile, west to east

4.5 mi west to east through the town center.

Topographic Map

Topographic elevation map of Portage Creek, Alaska, shaded from 16 ft near the middle to 140 ft on the northeast side
CDP boundary (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
Unincorporated community (census-designated place) in Dillingham Census Area, Alaska, United States
Population
4 2020 Census
Land area
13.2 sq mi
Density
0.3 per sq mi
Coordinates
58.9061° N, 157.7175° W
Time zone
Alaska UTC−9 / −8
Drains to
Nushagak River → Bering Sea
ZIP codes 1
99576
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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 CDP boundary; 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 CDP boundary (TIGER, Jan 1 2026). Much of Alaska's 3DEP comes from airborne radar (IfSAR), good to a few meters.
  • 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.
  • Portage Creek 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.