Basalt, CO Elevation & Topographic Map

Topographic elevation map of Basalt, Colorado, shaded from 6,450 ft on the west side to 7,480 ft on the south edge, below higher ground just outside
Elevation
7,480 ft 2,280 m7,230 ft 2,205 m7,100 ft 2,165 m6,840 ft 2,085 m6,580 ft 2,005 m6,450 ft 1,965 m
Contours every 100 ft, bold every 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.
Town area
Fades everything outside the official town limits (US Census).

Elevation Data

Basalt sits at about 6,620 ft (2,015 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
6,620 ft 2,015 m
most residents: 6,460–6,760 ft
Lowest
6,450 ft 1,965 m
on the west side
Highest
7,480 ft 2,280 m
on the south edge, below higher ground just outside
Average
6,680 ft 2,035 m
all land inside town limits

Basalt spans about 1,030 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
6,620 ft2,015 m
Highest point
Inside town limits, on the south edge, below higher ground just outside
7,480 ft2,280 m
Lowest point
Inside town limits, on the west side
6,450 ft1,965 m
Town center
USGS map point for Basalt
6,610 ft2,015 m
Airport (ASE)
FAA airport elevation, the highest point of its runways, 11 mi southeast of the town limits
7,838 ft2,389 m
Average of all land6,680 ft2,035 m
Nearest peak
Basalt Mountain, 2.6 mi north of the town limits (NGS survey)
10,882 ft3,317 m

Elevation profile, south to north

1.0 mi south to north through the town center.

Altitude Effects

What 6,620 ft means day to day, worked out from the typical elevation.

Water boils at
199.7 °F93.2 °C

vs 212 °F at sea level; USDA: food takes longer to cook.

Air pressure
78% of sea level

23.4 inHg (79.3 kPa): each breath holds 22% less air.

Oxygen equivalent
16.4% at sea level

Air is still 21% oxygen, just thinner. Normal at the coast: 20.9%.

Sunburn
+13% more UV

EPA: UV rises about 2% for every 1,000 ft.

Topographic Map

Topographic elevation map of Basalt, Colorado, shaded from 6,450 ft on the west side to 7,480 ft on the south edge, below higher ground just outside
Town limits (dashed) over shaded terrain, with contours every 200 ft (61 m).
Location
Town in Eagle and Pitkin counties, Colorado, United States
Population
4,001 2024 est.
Land area
2.0 sq mi
Density
1,979 per sq mi
Coordinates
39.3689° N, 107.0328° W
Time zone
Mountain UTC−7 / −6
Landform region
Southern Rocky Mountains
Drains to
Colorado River → Gulf of California
Airport
Aspen-Pitkin County/Sardy Field (ASE) 7,838 ft
ZIP codes 1
81621
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Sources: U.S. Census Bureau, USGS, FAA

Nearby Places

How we measure
  • Typical elevation: the population-weighted median: every 2020 Census block inside the town limits, 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 town limits (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).
  • Altitude effects: standard-atmosphere formulas applied to the typical elevation; UV from EPA's rule of thumb (about 2% per 1,000 ft).
  • 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, ZIP code areas); FAA airport data; BTS time zones; NOAA NGS survey heights. All public domain.