Wikipedia contributors. (2023, July 7). Birch Bay, Washington. In Wikipedia, The Free Encyclopedia. Retrieved March 4, 2024, from https://en.wikipedia.org/w/index.php?title=Birch_Bay,_Washington&oldid=1164082982
Birch Bay, Washington (Wikipedia) Birch Bay is a protected bay of the east shore of the Salish Sea, between Semiahmoo Bay and Lummi Bay; approximately 100 miles (160 km) north of Seattle and 35 miles (56 km) south of Vancouver, BC, Canada.