Korsumatkat - Bunker Tours specialises in programmes and guided tours related to the Salpa Line, a 1200 km. bunker line on Finland's eastern border built in 1940-1941 to defend again further Russian attacks. Tours generally begin at the Salpa Line Museum in Miehikkälä. Korsumatkat also offers tours in Virolahti. The owner and lead guide, Terho Ahonen, is a leading expert on the Salpa Line. We offer one to two-hour, half day or full day guided tous, as well as 24-hour, full-service hiking trips along the Salpa Line. Korsumatka Tours never leave anyone out in the cold.