EnglishFrom Uitgeest and Uithoorn, cycling enthusiasts can enjoy a beautiful summer trip along the Stelling van Amsterdam on Sunday 22 August 2021. During a ride of 25, 65, 115 or 170 km they discover (part of) the old defense line around Amsterdam. The routes take you through the wide and green water landscape in and around Amsterdam. Over the dikes and along forts and fortified towns. The longest distance, 170 km, goes all the way the Stelling van Amsterdam and passes all 46 fortresses.