Senneville, Quebec
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![Non-native plant species of borderline hardiness, such as this tuliptree, thrive in Senneville's most favoured microclimate near Lac des Deux Montagnes.](/Images/godic/202502/10/Senneville_tuliptree3428.jpg")
Senneville is an affluent on-island suburban village on the western tip of the Island of Montreal. It is the wealthiest town in the West Island.
Situated close to the city of Montreal, it was historically a popular location for the summer homes of wealthy Montrealers. Attractions include multiple golf clubs, a yacht club, and La Ferme du Fort Senneville, an organic demonstration farm. The Morgan Arboretum was founded here in 1953, and is today managed by Macdonald College; an important bird sanctuary, it is open to the public year-round. Fort Senneville was constructed here in 1671, but its ruins are on private land and are not accessible to the public. The historic core of the village was designated a National Historic Site of Canada in 2002.