Notre-Dame Cathedral Basilica Church

Roman Catholic cathedral in Ottawa, Gothic Revival architecture

A 19th-century Gothic Revival cathedral in Ottawa, noted for twin towers, stained glass and a carved wooden interior. Visitors attend services, concerts and guided tours to study its architecture and civic role.

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Notre-Dame Cathedral Basilica at a Glance#

Address: Sussex Drive, Ottawa, Ontario

Website: https://www.notredameottawa.com/

About Notre-Dame Cathedral Basilica#

Notre-Dame Cathedral Basilica is a 19th century Roman Catholic cathedral located in downtown Ottawa, Ontario. It serves as the principal church for the local Catholic jurisdiction and is one of the city’s major ecclesiastical buildings.

The building is noted for its Gothic Revival interior and traditional church furnishings including a prominent nave, stained glass and a decorated sanctuary. It functions as an active parish with regular liturgies, concerts and civic services.

Construction of the present building dates to the 19th century and it has been continuously used as a central Catholic church in Ottawa since that period. The cathedral also functions as the ceremonial and administrative focal point for the local archdiocese.

The basilica stands in central Ottawa in the city’s downtown area and is accessible from other central neighbourhoods and civic sites.

  • Cathedral seat: The principal Roman Catholic church in Ottawa and the seat of the local archdiocese, serving regular worship services and community events.

How to Get to Notre-Dame Cathedral Basilica#

The basilica faces Sussex Drive, a short walk from the ByWard Market and the Rideau Canal. From downtown Ottawa, it’s a 5-10 minute walk east from the Parliament area; OC Transpo buses serve nearby stops. Paid parking is available in nearby lots, but walking from central points is the fastest option.

Tips for Visiting Notre-Dame Cathedral Basilica#

  • Attend an organ recital if dates align; the basilica's Casavant organ and acoustics reward live music.
  • Enter via Sussex Drive to appreciate the façade and the river-facing position; security checkpoints can appear during national events.
  • Observe the compass rose set into the floor near the high altar-the workmanship and wear tell a lot about parish continuity.

Best Time to Visit Notre-Dame Cathedral Basilica#

Visit year-round; for fewer crowds and better light, late afternoon in shoulder seasons is recommended.

Spring-Fall
April-October · 4-20°C (39-68°F)
Pleasant for strolling the surrounding ByWard Market and river pathways; more services and concerts scheduled.
Winter
November-March · -15-0°C (5-32°F)
Cold but atmospheric; interior warmth and candlelit services contrast with Ottawa's winter air.

Weather & Climate near Notre-Dame Cathedral Basilica#

Climate

Notre-Dame Cathedral Basilica's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with warm summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -16°C to 27°C. Moderate rainfall (929 mm/year), distributed fairly evenly throughout the year.

Air Quality: AQI 28 Good
Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
36°
Warmest Month
-40°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -16° - -6° -17° 59 mm overcast 95% 3.2 m/s 0.1 low 9.0h
February Poor -14° - -4° -15° 56 mm partly cloudy 94% 3.2 m/s 0.3 low 10.2h
March Poor -8° - 2° -7° 67 mm partly cloudy 87% 3.4 m/s 0.6 moderate 11.8h
April Acceptable 0° - 11° 3° 70 mm partly cloudy 78% 3.5 m/s 0.9 moderate 13.4h
May Good 7° - 19° 13° 83 mm partly cloudy 77% 3.1 m/s 1.3 high 14.7h
June Very Good 13° - 24° 19° 90 mm partly cloudy 79% 2.7 m/s 1.6 very high 15.4h
July Excellent 15° - 27° 21° 88 mm partly cloudy 79% 2.5 m/s 1.6 very high 15.1h
August Very Good 15° - 26° 20° 89 mm partly cloudy 78% 2.4 m/s 1.4 high 13.9h
September Very Good 10° - 21° 15° 85 mm partly cloudy 78% 2.6 m/s 1.0 moderate 12.4h
October Acceptable 4° - 13° 7° 80 mm overcast 81% 3.0 m/s 0.4 low 10.8h
November Poor -2° - 6° -1° 84 mm overcast 85% 3.3 m/s 0.2 low 9.4h
December Poor -11° - -2° -11° 78 mm overcast 92% 3.2 m/s 0.1 low 8.6h

Nearby Attractions to Notre-Dame Cathedral Basilica#