Tsawwassen Mills Ride April 8, 2024 Triathlon, Triathlon Philippines The Tsawwassen First Nation is a First Nations government whose lands are located in the Greater Vancouver area of the Lower Mainland of British Columbia, Canada, close to the South Arm of the Fraser River and just north of the international boundary with the United States at Point Roberts, Washington.Tsawwassen ride 2Tsawwassen ride 3Tsawwassen ride 4Tsawwassen ride 5