EntityQ2660096· pop 5· linked from 8 articlesMouse FortSign in to savewas built in 1877 and was part of the Defence Line of Amsterdam which is the UNESCO World Heritage SiteConnectionsAmsterdamEntitygeographic coordinate systemEntityfortificationEntityMuidenEntityDefence Line of AmsterdamEntityVuurtoreneilandEntityFort VijfhuizenEntityCategoriesBuildings and structures in Gooise MerenStelling van Amsterdam