


The geological nature of the hill of Laon (layers of clay and limestone) means that it is rich in resources. Over the centuries, man has exploited them in the form of wash-houses, fountains, drinking troughs, etc. near the gates. Some of these structures are now in a poor state of repair, or are even in danger, threatened not only by the passage of time but also by the very nature of the soil, which is prone to landslides. This tour of the upper town will help you rediscover this aquifer heritage and raise your awareness of the need to protect it…