The Thumb is a
mountain in the
Five Fingers Group, a group of summits on the divide between
Pitt Lake and
Coquitlam Lake
Coquitlam Lake is a reservoir located just north of Coquitlam, British Columbia. It is one of the three main water sources for Metro Vancouver, and part of the Coquitlam watershed. It is also a part of BC Hydro's power generation system. A tunnel ...
and north of
Widgeon Lake, in
British Columbia,
Canada.
[''Canadian Mountain Encyclopedia'' Five Fingers Group]
Notes
References
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Mountains of the Lower Mainland
One-thousanders of British Columbia
Pacific Ranges
New Westminster Land District
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