[1] For a long time, the course of the Bresle (especially the lower part) has had the role of a natural national frontier, serving as the boundary between powerful and often antagonistic political entities.

[3] The Bresle starts its life at Abancourt, a commune of the Oise, at around 200 metres above sea-level[5] and flows northwest over the plateau of Formerie, receiving more water from small tributaries along the way (the Ménillet and the Méline).

The valley has a huge range of plants varying from orchids, sedges, bracken and cranberry to trees such as juniper and beech (notably ‘’asperulo-fagetum[7]).

[9] The Bresle has plenty of fishing for all kinds of anglers, from sea-trout in the lower valley and brown trout upstream, to huge carp, pike, roach and bream in both the lakes and the river.

[12] They show the history of glass and bottle-making, the different stages of the process (from the base materials through to packaging), the tools and modern machines, the collections of perfume bottles and demonstrations of glass-blowing by experts.

The signposted Chemin des étangs (eng:the lakes path) allows walkers and cyclists to roam the lower part of the valley, between Eu and Incheville.Many aquatic activities (sailing, canoeing etc.)