Situated on the western tip of the Island of Montreal, it is the wealthiest town on the West Island, closely followed by Dollard-des-Ormeaux and Baie D'Urfé.^[6] The town was merged into the city of Montreal on January 1, 2002, but voted overwhelmingly to demerge on June 20, 2004, and regained its status as an independent town on January 1, 2006. Historically, Senneville was a popular location for the summer homes of wealthy Montrealers.^[7] Attractions include multiple golf clubs, a yacht club, and La Ferme Carya, 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.^[10] Fort Senneville was constructed here in 1671, but its ruins are on private land and are not accessible to the public.

All of Senneville lies over dolostone. In contrast to the monotony of this bedrock, there are many types of soil in the municipality. Clay is common near the northeastern corner and part of the western shores. Sand dominates many inland areas; it is rapidly drained in places but often has impeded drainage due to the type of hardpan which develops in podzols. Near-shore areas along the northern margin have extensive areas of glacial till which forms a calcareous well-drained loam.

The loamy slopes overlooking Lac des Deux Montagnes are excellent for fruit trees and tender plants due to fertile soils, good drainage, and the moderating effect on microclimate provided by the lake.

City hall information 

Senneville Town Hall
35 Senneville road
Senneville (Québec) H9X 1B8
Tel:  (514) 457-6020
Fax:  (514) 457-0447
E-mail: Cette adresse email est protégée contre les robots des spammeurs, vous devez activer Javascript pour la voir.

Office hours
Monday to Friday from 8:30a.m. to 12:00 PM and 1:00 PM to 4:30 PM