Hochelaga Archipelago Island

Archipelago encompassing Montreal and surrounding river islands

The Hochelaga Archipelago comprises Montreal Island and surrounding isles in the St. Lawrence River, offering city attractions, riverfront parks and ferry connections used by visitors and boaters.

Canal de Beauharnois, Grande Ile, Saint Lawrence River, Pointe-des-Cascades, Ottawa River, Perrot Island.jpg
Islands in the Ottawa River near Vaudreuil-Dorion, Québec (PR2004-002.42.3-463).jpg
Main image
Montreal de 1645 a 1652.JPG
Montreal, Quebec, Canada (5461525888).jpg

Hochelaga Archipelago at a Glance#

Address: Hochelaga Archipelago (Greater Montreal area), Quebec, Canada

About Hochelaga Archipelago#

The Hochelaga Archipelago is the cluster of islands centred on the Island of Montreal in the Saint Lawrence River, within the province of Quebec, Canada. It includes both urban islands and numerous smaller, mostly riverine islets.

The archipelago’s largest island hosts the city of Montreal with its parks, historic districts and cultural institutions, while nearby islands such as Île Sainte-Hélène and Île Notre-Dame provide parkland and event spaces. Many smaller islands are protected natural areas or privately owned.

The archipelago’s name derives from Indigenous place names recorded by early European explorers in the 16th century; the islands have since supported Indigenous settlements and, later, urban development centred on Montreal.

The islands sit where the Saint Lawrence widens around Montreal and are linked to the mainland by multiple bridges and transport connections serving the Greater Montreal region.

  • Number of islands: The archipelago comprises the islands at and around the confluence of the Saint Lawrence and Ottawa rivers and includes more than 200 islands of varying size.
  • Name origin: The name Hochelaga recalls the 16th-century Indigenous settlement recorded by early European explorers and is used historically for the Montreal area.

What to See#

  • Island of Montreal: Montréal (Island of Montreal), the largest island in the archipelago and the site of the city of Montreal with its central business district, parks and cultural institutions.
  • Île Jésus (Laval): Île Jésus, the island that contains the city of Laval, connected to Montreal by bridges and forming a major suburban municipality.
  • Parc Jean-Drapeau islands: Île Sainte-Hélène and Île Notre-Dame, urban park islands in the Saint Lawrence River used for recreation and the Parc Jean-Drapeau complex.

How to Get to Hochelaga Archipelago#

The Hochelaga Archipelago is the island cluster centered on Montreal. If you are coming by road, use Autoroute 20, 40 or 15 to reach the island(s); several bridges and tunnels (e.g., Jacques-Cartier Bridge, Champlain Bridge) connect the island to the South Shore and Laval. Within Montreal the STM metro and bus network provides frequent service across the archipelago-travel to central stations (e.g., Berri-UQAM, McGill) and continue by local bus, bike or on foot depending on your destination.

Tips for Visiting Hochelaga Archipelago#

  • Use public transport and ferries to reach the most-visited islands: take the metro to Jean‑Drapeau station for Parc Jean‑Drapeau (Île Sainte‑Hélène/Île Notre‑Dame) and arrive early on weekdays to avoid festival crowds.
  • If you want quieter nature, explore beyond Parc Jean‑Drapeau - islands such as Île Bizard and the Îles-de-Boucherville offer bike trails and paddling opportunities and see far fewer tourists.
  • Check event calendars before you go: much of the archipelago hosts large concerts and festivals in summer which close off large areas and swell visitor numbers, so plan around major-event dates.

Best Time to Visit Hochelaga Archipelago#

Late spring through early autumn (roughly May-September) is best for outdoor activities and ferry services across the archipelago.

Summer (Jun-Aug)
Jun-Aug · ≈15-27°C (59-81°F)
Warmest and most active season for boating, parks and outdoor events across the archipelago - the high season for visitors.
Spring/Autumn (Apr-May, Sep-Oct)
Apr-May, Sep-Oct · ≈5-20°C (41-68°F)
Shoulder seasons offer milder weather, fewer tourists and good conditions for cycling and walking; some services are less frequent than summer.
Winter (Nov-Mar)
Nov-Mar · ≈-10-0°C (14-32°F)
Cold and snowy with limited outdoor activity; many seasonal services and attractions reduce operations.

Weather & Climate near Hochelaga Archipelago#

Climate

Hochelaga Archipelago'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 -15°C to 27°C. Abundant rainfall (1004 mm/year), wettest in September, distributed fairly evenly throughout the year.

Air Quality: AQI 36 Good
Temperature & Rainfall
Temperature Range
27°
Warmest Month
-15°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - -15° - -6° -17° 73 mm - - 4.0 m/s - -
February - -13° - -4° -15° 62 mm - - 3.9 m/s - -
March - -7° - 3° -7° 71 mm - - 3.9 m/s - -
April - 1° - 11° 3° 80 mm - - 3.9 m/s - -
May - 8° - 19° 14° 83 mm - - 3.7 m/s - -
June - 13° - 25° 19° 90 mm - - 3.3 m/s - -
July - 16° - 27° 22° 93 mm - - 3.1 m/s - -
August - 15° - 26° 21° 92 mm - - 2.9 m/s - -
September - 11° - 21° 16° 98 mm - - 3.1 m/s - -
October - 4° - 14° 7° 82 mm - - 3.5 m/s - -
November - -1° - 6° -1° 96 mm - - 3.8 m/s - -
December - -10° - -2° -12° 84 mm - - 3.9 m/s - -

Nearby Attractions to Hochelaga Archipelago#