Three Mile Bay, NY Elevation & Topographic Map
Elevation
280 ft 85 m270 ft 85 m270 ft 80 m260 ft 80 m250 ft 75 m250 ft 75 m
Contours every 40 ft, bold every 200 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
Three Mile Bay sits at about 260 ft (80 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
260 ft 80 m
most residents: 250–270 ft
Lowest
250 ft 75 m
on the east side
Highest
280 ft 85 m
on the northeast side
Average
260 ft 80 m
all land inside the CDP boundary
Three Mile Bay spans about 30 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 | 260 ft80 m |
| Highest point Inside the CDP boundary, on the northeast side | 280 ft85 m |
| Lowest point Inside the CDP boundary, on the east side | 250 ft75 m |
| Town center USGS map point for Three Mile Bay | 260 ft80 m |
| Airport (ART) FAA airport elevation, the highest point of its runways, 11 mi southeast of the CDP boundary | 331 ft101 m |
| Average of all land | 260 ft80 m |
Topographic Map
- Location
- Unincorporated community (census-designated place) in Jefferson County, New York, United States
- Population
- 187 2020 Census
- Land area
- 0.3 sq mi
- Density
- 661 per sq mi
- Coordinates
- 44.0814° N, 76.1983° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Central Lowland
- Airport
- Watertown International (ART) 331 ft
- ZIP codes 1
- 13622
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Depauville380 ft
- Village of Brownville340 ft
- Brownville330 ft
- Dexter310 ft
- Cape Vincent300 ft
- Hounsfield300 ft
- Sackets Harbor290 ft
- Chaumont280 ft
- Lyme270 ft
- Village of Cape Vincent270 ft
- Three Mile Bay260 ft
Rankings by typical elevation
- Towns in New York1,616th highest of 2,097
- Towns in Jefferson County59th highest of 60
Peaks and hills nearest, by height
- Slaughter Hill440 ft
- Doanes Hill410 ft
- Luther Hill390 ft
- McCarn Hill380 ft
- Indian Hill, Jefferson County340 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the CDP 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 CDP 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: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
- Three Mile Bay is an unincorporated community; figures cover the census-designated place, a statistical area.
- Sources: USGS 3DEP, GNIS and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones. All public domain.