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Gatineau: coordinates, UTM zone and magnetic declination

Survey data sheet for Gatineau (Canada) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.

Latitude45°28′38.0″ N
Longitude75°42′05.9″ W
Decimal degrees45.47723, -75.70164
UTM zone18N · MC 75° W
UTM (WGS 84)E 445,161 · N 5,036,206
Scale factor (k)0.999637
Grid convergence−0.5003°
Magnetic declination (today)12.57° W · +4.1′/year
Geoid undulation (EGM2008)N = −33.62 m
Approximate elevation53 m
Time zoneAmerica/Toronto (UTC−4)
Population300,045

Values for the city center (GeoNames coordinate). Declination from the World Magnetic Model 2025 for today's date; geoid from EGM2008. For an exact point, use the tools below.

Nearest GNSS reference stations (IGS)

StationLocationDistance
NRC1 NRC100CANOttawa, Canada7 km
CAGS CAGS00CANGatineau, Canada15 km
ALGO ALGO00CANAlgonquin Park, Canada192 km

Tools to use here

FAQ

What UTM zone is Gatineau in?

Gatineau is in UTM zone 18N, with central meridian 75° W. In WGS 84, the city center is at E 445,161 m and N 5,036,206 m.

What is the magnetic declination in Gatineau?

Today the magnetic declination in Gatineau is 12.57° W, changing by +4.1′ per year (WMM2025 model). To get the true azimuth, add the declination to the magnetic azimuth (East positive, West negative).

What is the geoid undulation in Gatineau?

The geoid undulation (EGM2008) in Gatineau is N = −33.62 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Gatineau

© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS

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