Junction of Highway #37 The Cassiar Highway B.C. West to Stewart, British Columbia / Hyder Alaska The Cassiar Highway is part of British Columbia's Great Northern Circle Route. - North to Watson Lake, Yukon north to the Alaska Highway and Dawson City, Yukon. South to community of Kitwanga, B.C. and the Yellow Head Highway B.C. Highway #16 Stewart Cassiar Highway The town of Stewart, British Columbia & Hyder, Alaska, only highway access is west from British Columbia's Highway #37 - The Cassiar - Stewart Highway. Situated across from Alaska's Misty Fjords National park, Stewart is a unique border town attracting many tourists from around the world. One can view the famous Bear Glacier, B.C. one of the few blue glaciers with the easiest access in the world, from one of the roadside turnouts, scenic view area's, from this highway.