Gransee is a town in the Oberhavel district, in Brandenburg, Germany. It is situated 20 km south of Fürstenberg/Havel, and 55 km northwest of …Gransee is a town in the Oberhavel district, in Brandenburg, Germany. It is situated 20 km south of Fürstenberg/Havel, and 55 km northwest of Berlin. An important monument in the centre of town is the cast-iron and stone Memorial to Queen Luise, which was designed by the German architect Karl Friedrich Schinkel in the neo-gothic style.