http://realestate.birchbay.net/2009/07/27/birch-bay-cabin-125000/ Birch Bay real estate and homes for sale. Birch Bay is located approximately 100 miles north of Seattle Washington and about 50 miles south of Vancouver, BC Canada. In addition Birch Bay is the fastest growing community in Whatcom County. hourly 1 http://wordpress.org/?v=3.0.1