Montreal Abandoned Buildings - Photos, mostly concentrating on graffiti (no longer updated).
The Urban Landscape - Urban exploration in Ottawa, Gatineau and Montreal; focussed on abandoned buildings so far.
Urban Exploration Montreal - Group exploring construction sites, abandoned buildings, storm drains, college tunnels and other cool stuff in and under Montreal.
Urban Exploration Quebec - Photo galleries of abandoned buildings near the capital of La Belle Province; no writing so far (currently down, hopefully temporarily).
UrbanImages.org - The photographic fruits of the labours of the Montreal Explorers Society Collective (currently down, hopefully temporarily).
Urban Recon Montreal - Photo galleries of abandoned buildings in Montreal; no writing so far.