A true green lung with 410 kilometers of hiking trails and a third of its surface devoted to green spaces, the Hauts-de-Seine has an exceptional natural heritage: 3 state forests, around twenty parks and gardens (historical, botanical , landscaped, contemporary ...), the banks of the Seine, the landscapes and viewpoints over Paris.

36 hikes are offered by the Hauts-de-Seine Department to discover the territory and its many natural and cultural points of interest. From La Défense to the Departmental Domain of Sceaux, via the Seine Musicale, the places follow one another without resembling each other.

The hikes presented in this application have the following characteristics:
- Most circuits are looped
- Mention of the nearest public transport, on departure and arrival
- The mention of the degree of difficulty (easy in blue or medium in red), the elevation as well as the number of kilometers
- Pop-up content that is automatically triggered near a tourist point of interest
- Sharing "nature moments" on Facebook or Instagram.