The Mount Barr Plutonic Complex (MBPC) is a circular body of intrusive rock in the Cascade Mountains of southern British Columbia, Canada.
It is located 19 km (12 mi) southwest of the district municipality of Hope, centered around Wahleach Lake.
The complex takes its name from Mount Barr, one of many mountains consisting of MBPC intrusive rocks.
Two younger stocks are situated within the main intrusion and consist of quartz monzonite.
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