Richard Cliff (the Aquarium) is a boat accessible fresh water dive site, located in Georgeville, QC, Canada. The maximum depth is 31-35ft/9-11m.
The anchoring is done at a depth of 15 feet directly on a small wreck consisting of a wooden rowboat of about 16 feet nicknamed Richardson.
More details available at Scubarama’s Memphrémagog page:
in French,
English (Google Translate).