Granby, CO Elevation & Topographic Map
Elevation
9,390 ft 2,865 m9,010 ft 2,745 m8,810 ft 2,685 m8,430 ft 2,570 m8,040 ft 2,450 m7,840 ft 2,390 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.
- Town area
- Fades everything outside the official town limits (US Census).
Elevation Data
Granby sits at about 8,040 ft (2,450 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
8,040 ft 2,450 m
most residents: 7,960–8,080 ft
Lowest
7,840 ft 2,390 m
on the northwest side
Highest
9,390 ft 2,865 m
on the southeast side
Average
8,330 ft 2,540 m
all land inside town limits
Granby spans about 1,550 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.
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | 8,040 ft2,450 m |
| Highest point Inside town limits, on the southeast side | 9,390 ft2,865 m |
| Lowest point Inside town limits, on the northwest side | 7,840 ft2,390 m |
| Town center USGS map point for Granby | 7,970 ft2,430 m |
| Airport (GNB) FAA airport elevation, the highest point of its runways, 0.2 mi east of the town limits | 8,207 ft2,501 m |
| Average of all land | 8,330 ft2,540 m |
| Nearest peak Elk Mountain, Grand County, 8.8 mi northwest of the town limits | 11,400 ft3,475 m |
Elevation profile, south to north
4.0 mi south to north through the town center.
Altitude Effects
What 8,040 ft means day to day, worked out from the typical elevation.
Water boils at
197.0 °F91.7 °C
vs 212 °F at sea level; USDA: food takes longer to cook.
Air pressure
74% of sea level
22.2 inHg (75.1 kPa): each breath holds 26% less air.
Oxygen equivalent
15.5% at sea level
Air is still 21% oxygen, just thinner. Normal at the coast: 20.9%.
Sunburn
+16% more UV
EPA: UV rises about 2% for every 1,000 ft.
CDC: about 1 in 4 visitors who sleep above 8,000 ft get altitude sickness. CDC Yellow Book
Topographic Map
- Location
- Town in Grand County, Colorado, United States
- Population
- 2,305 2024 est.
- Land area
- 12.7 sq mi
- Density
- 182 per sq mi
- Coordinates
- 40.0861° N, 105.9395° W
- Time zone
- Mountain UTC−7 / −6
- Landform region
- Southern Rocky Mountains
- Drains to
- Colorado River → Gulf of California
- Airport
- Granby-grand County (GNB) 8,207 ft
- ZIP codes 2
- 80446 80478
⤓ Download this map
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Ward9,270 ft
- Eldora9,130 ft
- Winter Park8,880 ft
- Fraser8,590 ft
- Allenspark8,470 ft
- Tabernash8,440 ft
- Grand Lake8,400 ft
- Granby8,040 ft
- Hot Sulphur Springs7,750 ft
- Parshall7,570 ft
- Kremmling7,350 ft
Rankings by typical elevation
- Towns in Colorado79th highest of 484
- Towns in Grand County5th highest of 8
Peaks and hills nearest, by height
- North Arapaho Peak13,490 ft
- Copeland Mountain13,170 ft
- Byers Peak12,813 ft
- Gravel Mountain11,774 ft
- Elk Mountain, Grand County11,400 ft
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.