Sulphur Passage Provincial Park is a provincial park in British Columbia, Canada, located in the central part of the Clayoquot Sound region of the West Coast of Vancouver Island, British Columbia, Canada. It is located around Obstruction Island to the northeast of Flores Island. The eponymous Sulphur Passage is located on the east side Obstruction Island. See also Clayoquot Sound Biosphere Reserve References Clayoquot Sound region Provincial parks of British Columbia Protected areas established in 1995 1995 establishments in British Columbia