Marnate's Bunker is a military monument of World War II, with the purpose of being used as an industrial bunker. It is located in Valle Olona (Varese), Italy, between the boundaries of Marnate, Olgiate Olona and Gorla Minore.Built by the Germans between July and September 1944, Marnate's Bunker was conquered by the Italian resistance movement on April 26, 1945 after a harsh fight against the German garrison.