Helen Cliff is a boat accessible fresh water dive site, located in Georgeville, QC, Canada.
The anchoring is done in the 10 feet on a rocky bottom. Following the gentle slope up to 20 feet in a southerly direction, we find a first ridge followed by a second. The relief is interesting lower down.
More details available at Scubarama’s Memphrémagog page:
in French,
English (Google Translate).