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Wieś Boryszyn
The Boryszyn Loop is an accessible section of the Międzyrzecz Fortified Region, a German line of fortifications from the 1930s stretching between Świebodzin and Międzyrzecz. Beneath the village of Boryszyn run tunnels linking bunkers, barracks, engine rooms and underground stations.
The routes are covered with a guide, on foot or by bike. The walking option comes in a shorter version covering the loop itself and a longer one that adds the fortified group. The cycling trip requires booking in advance and bikes can be hired on site.
Temperatures underground range from about 6 to 10 degrees, so a jacket and warm clothing are needed in every season. Your own torch is useful, and a head torch for cyclists. The tunnels are a bat hibernation site, so quiet is required and lights must not be pointed at them.
